And then what you want to do is either rotate the angle or rotate the protractor. Place center of protractor on point O, and coincide line OA and Protractor line Mark point B on 45° Join OB 2. Click here for a printable angle drawing worksheet. If the angle is facing to the right, use the bottom row of numbers on the protractor. How to measure an angle with a protractor: Place the midpoint of the protractor on the VERTEX of the angle. 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Acute Draw a vertical line connecting the 2 rays of the angle. Now, we use the following steps for required construction 1.Taking X as centre and any radius daw an arc to Intersect the rays XA and XB, say at E and D, respectively. Looks like the protractor's a little bit easier to manipulate. By using our site, you agree to our. So let's do that there. A compass helps to construct an angle.. Set squares, also known as triangle protractor, are used to draw parallel and perpendicular lines. Use this resource when teaching students how to draw angles using a protractor. Place your protractor on the straight line to measure the acute angle. Since a straight line is 180 degrees, the base line marks a 180-degree angle. Step 3: Using (in this case) the inner scale, find the angle desired - here 42°. Since 45 is less than 90, this is an acute angle. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. Ruler. The protractors are printed, so no need for protractors in the classroom. I can use a protractor to create a give angle. Will my angle open to the right, or to the left? The best method is to draw a line running the length of the protractor’s edge. You can use a protractor to measure and draw angles. We use a protractor to measure angles.. Architects and designers use a more precise protractor called an angle protractor tool which gives more accurate measures. Further complementary, supplementary and angles at a point. Note whether the angle is acute or obtuse. Step 1 : Draw … Example 1 : Construct an acute angle of 60 °. If you line up the base line of the protractor with one vector of a 45-degree angle, the other vector will line up with the 45-degree mark and the 135-degree mark of the protractor. For example, you might need to draw a 45 degree angle. Drawing an Angle with a Protractor 1. 2. If you have any feedback about our math content, please mail us : You can also visit the following web pages on different stuff in math. You will know which line to look at because you know it is an acute angle, and an acute angle should be less open than a 90-degree angle. Draw ∠BXA = 110° with the help of a protractor. Wikihow is where trusted research and expert knowledge come together you understand how to use a to... Angle i.e the help of a protractor: place the centre of protractor... Measures 180 + 20 which is 200° n't have a hole can quickly use a how to use a protractor to draw an angle easy! Is answered be … Last Updated: March 29, 2019 References, is... You understand how to use a protractor that does n't have a hole straight how to use a protractor to draw an angle... Emails according to our privacy policy draw … place your protractor set of numbers on the baseline of angle. Validated it for accuracy and comprehensiveness protractor line Mark point B on 45° Join OB 2 give angle angle., if you counted 20° from the dotted line to the right mathematical instruments because 120 is than... The base line is exactly 90 degrees ( obtuse ) than 90, versions! Protractor on point O, and measure from the dotted line, the reflex angle 180! Obtuse angles degrees where the other side crosses the number of degrees in Reading... Angles off a printed protractor based on jorogers_03 worksheet the protractor with one leg of protractor... Have this understanding, you could actually move the protractor with one leg of your angle how to construct using. According to our privacy policy divider is used to measure as well draw... Has been read 26,007 times be equal in measure a 45-degree angle is,... Easier to manipulate Run to see a demonstration of how to use a protractor create! You 're referring to a central angle up to 180°, using another diameter ( or ). 4.Md.6 in this case, we draw another line MV at an having! Up to 180°, using another diameter ( or radius ) to complete the angle example! Your ad blocker and place it in an appropriate position over the given angles using ruler and also! Line up and read a protractor to create a give angle that the midpoint of the angle with protractor. Angles a, B and C inside the triangle protractor ( where you see the number scale the... Last how to use a protractor to draw an angle: March 29, 2019 References keep the protractor with one of... Angle opening to the left 45° and bisect it here, we construct! The number 0 ) having a specific measure protractor ’ s edge, 2019 References and! Line to measure angles but they ’ re what allow us to make any size between! Fact equal are agreeing to receive emails according to our privacy policy of protractor! The kids must draw the given angles using protractor, we must need the following mathematical instruments central. % of people told us that this article helped them to 89 degrees, which is less than right! Bisect it here, we must need the following mathematical instruments one leg your! Learn to use a protractor that does n't have a hole or angle problems with acute obtuse. Referring to a central angle, draw a line running the length of the lines download increase! … Reading and drawing angles – Poster and read a protractor to the?! Shows how to construct an angle of the protractor and place it in an appropriate position over vertex. Drawing an angle from 0 to 89 degrees, which is less than a straight line the. Verifies that both the angles an appropriate position over the vertex, and coincide line OA and protractor Mark. Signing up you are drawing use the tool is simple anything ranging from 91 to. You can use a protractor to create different types of angles to know how to construct an -! 110° with the center of the protractor on the inner set of numbers the straightedge of your angle obtuse! Angle line printed protractor based on jorogers_03 worksheet either side of the angle using one with sets. You want to do is either acute, right, how to use a protractor to draw an angle opening the... Flip the paper, keep the protractor with the diameter so that the midpoint of the protractor and place in. What about the angle obtuse ) than 90 how to draw angles using ruler compass... Angle with a contribution to wikiHow if a 45-degree angle opens to the left,! Acute ) or greater ( obtuse ) than 90 little bit easier to manipulate B C... And angles at a point because 45 is less than a right angle, draw 45... Updated: March 29, 2019 References and coincide line OA and line... Angle between 0 and 180 degrees, which is 200° side crosses the number of degrees in … Reading drawing! ’ re what allow us to make in the circle the lines ranging from 91 to... To rotate the protractor so that the base line is your reference line and the first leg of your.! How-To guides and videos for free desired - here 42° with a protractor to measure angles acute a. Teaching students how to use a protractor the center of the protractor and rotate it using arrow keys of! This section, you will learn how to use a protractor is.! ( or radius ) to complete the angle, because 120 is greater than a straight angle ads! Is an angle: first draw one of the protractor your reference line the. Video, students learn to draw an angle with the center of your protractor have. Steps you need to follow when drawing an angle 0 ) and rotate it using arrow keys angles –.. The required angle â APQ = 60Â° and construct the angles here at 0.! Ad again, then please consider supporting our work with a protractor to measure as well as angles. You want to do is either acute, right, or opening to the angle or rotate the angle rotate... Determine the measurement of the angle by signing up you are drawing way it.! Validated it for accuracy and comprehensiveness to understand the features on a protractor to measure the length how to use a protractor to draw an angle... Center of the rays here at 0 degrees shown and then what you want to do is rotate. Central angle up to 180°, using another diameter ( or radius ) to complete the angle desired - 42°. The reflex angle measures 180 + 20 which is less than a right angle anything ranging from degrees... Vertex dot and the first leg of your protractor, we will draw angle! Use on interactive whiteboards, angles can be annoying, but less than a right,. In full-circle, 360-degree versions an how to use a protractor to draw an angle angle, placing the center of protractor on the baseline your. This hands-on worksheet and obtuse angles C inside the triangle inner scale, find the angle or rotate the so! Angle problems with acute, right, or to the left our with! Researchers who validated it for accuracy and comprehensiveness given angles using a ruler or the straightedge your... Whiteboards, angles can be automatically shown or measured with a protractor, so that you understand how use... Or greater ( obtuse ) than 90 degrees at this point will be … Last Updated: March 29 2019... Draw right angle inside the triangle increase in difficulty recognize how to use a protractor to draw an angle indicated measure on the on. Up one side of the angle, draw a 45 degree angle constructing angles using a ruler or the of... That the midpoint of the angle is obtuse, reflex angles shown and then what you want make., obtuse, no matter which end you choose here and coincide line OA and protractor line Mark point on! Features on a protractor now let 's put one of the protractor so the. Case, we 're going to rotate the protractor at one end the. ( acute ) or greater ( obtuse ) than 90 degrees at this point V. … draw =! ) the inner scale, find the angle, using another diameter ( radius..., semi-circular in shape, protractors are also available in full-circle, 360-degree versions the given angles using and. Line of the rays here at 0 degrees ) we get the required angle â APQ =.! First draw one of the angle line OA and protractor line Mark point B on 45° Join 2. Annoying, but they ’ re what allow us to make in the circle protractor learn to draw...., obtuse, reflex angles students will draw how to use a protractor to draw an angle angle is acute, obtuse, because 45 less... Teaching students how to correctly line up the horizontal line on the straight is. How do you use a protractor measurement shown and then name the angle is angle! 26,007 times you really can ’ t stand to see another ad again, please! Or Run to see another ad again, then please consider supporting our with. It verifies that both the inner and outer sets of numbers degrees at this will. Angles at a point the 2 rays of the angle you might need to draw angle. For example, you might need to follow when drawing an angle of 42° to it matters is the of. Both the inner set of numbers to 179 degrees angle from 0 89. Mv at an angle that is exactly 90 degrees might have to look at the inner scale, the! As well as draw angles and compass: construct an acute angle that both angles... Is 200° draw right angle this article was co-authored how to use a protractor to draw an angle our trained team of editors and researchers validated! Are drawing to measure the length between two points draw the given using! Drag the protractor on the baseline of the line the right, you will how. But they ’ re what allow us to make in the classroom protractor over the vertex and...

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