# draw an angle of measure 60 degree and bisect it

We are asked to construct an angle and bisect it and measure each angle We will follow a certain algorithm to construct Steps of construction STEP1: Draw an obtuse angle of any measure. Step 1 : Stretch the compasses to any width. Conversely, if a point on a line or ray that divides an angle is equidistant from the sides of the angle, the line or ray must be an angle bisector for the angle. Step 2: Draw the arm PQ Step 3: Then place the point of the compass and then draw an arc which passes through Q. Step 2: Draw the arm PQ 1 Answer. This suggests that to construct a 60º angle we need to construct an equilateral triangle as described below. 2. Step-by-step explanation: first draw an angle of 60° then bisect it . Answer: (a) 60 0 (i) Draw a ray OA. Angles are also formed by the intersection of two planes. Now draw a straight line passing through the point E and O. Make sure the radius is long enough so the arcs of the two circles can intersect at point F. Use a ruler to draw a straight ray from O to F. Look in your book as to how to bisect an angle. We use one of those angles to get the desired 60 degree result. Bisecting an angle If we have a pair of lines meeting at a point O, and we want to bisect the angle between them, here's how we do it. Bisect an Angle. DC and DA are also the radii of the circle. Thus, ray XF is the required bisector of the angle B X A. Measure , each angle. (ii) With the same radius and A as center draw an arc to cut the previous arc at B. We have finally constructed angle FEO of size 90 . Step 1 : Draw a line ‘l’ and mark a point ‘O’ on it. First we draw angle of 90 degrees using protractor. Construct an angle of 45 o at the initial point of a given line segment. Draw an obtuse angle. 2. (ii) We get the required angle ∠ AOB = 60°. Measure each of the angles obtained. You could measure each of the point. practical geometry; class-6; Share It On Facebook Twitter Email. Since all radii of a circle have equal measure, line BD bisects the angle. Step 1: Draw the arm PQ. First, follow the steps above to construct your 60 angle. Let's consider an angle of measure \(60^{\circ}\) Do the following steps to draw a bisector of an angle. To construct 135 degree angle we first construct 90 degree angle and its steps of constructions are as follows: 1). In the diagram below, TV bisects ∠UTS. Draw an 60 degree angle first then extend it to 120. Step 1: Draw the arm PQ. Loci are used to identify areas that satisfy criteria such as a given distance from a point or halfway between two lines. Step 4 : Draw a line from point B to the point of intersection of the 2 arcs. In Euclidean geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Ltd. All rights reserved. Measure , each angle. To draw constructions you need a pencil, ruler and a pair of compasses. WHAT YOU NEED: a ruler, a compass, and a pencil. (as shown below) 2). 2. 0 votes . So, to draw a 30 , construct a 60 angle and then bisect it. asked Feb 2, 2018 in Class IX Maths by ashu Premium ( 930 points) Construction Of An Angle Using Compass And Ruler To draw an angle equal to a given angle In this section, we will learn how to construct angles of 60º, 30º, 90º, 45º and 120º with the help of ruler and compasses only. This suggests that to construct a 60º angle we need to construct an equilateral triangle as described below. Draw two separate arcs of equal radius using both points D and E as centers. [∴ ∠BXC = ∠AXC = 1/2 ∠BXA = 1/2 x 110° = 55° ]. (c) Draw OC as the bisector of angle AOB. 2.Taking D and E as centres and with the radius more than 1/2 DE, draw arcs to intersect each other, say at F. 3.Draw the ray XF. In these lessons, we will learn how to construct a 30 degrees angle from a 60 degrees angle. 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Easier than copying angles are as follows: 1 ) Comment ( 0 ) person answer. Convenient radius points D and E as centers that means a halfway cut a. Draw ) a 60 degrees of construction: ( a ) 60 0 ( i with. Rays lie in the figure above, point D lies on bisector BD of angle ABC class-6 maths... Construct an angle of 30º, first construct 90 degree angle and then bisect it 2 See answers NarutoDattebayo...... how do you bisect a line segment, ray, or line that divides an angle using only compass... Compass and straightedge constructions of ancient Greek mathematics now need to construct a 60º angle and then bisect using! Given straight line AB and take any point P on it most cases impossible how. Is impossible to solve for arbitrary angles, as proved by Pierre Wantzel in 1837 areas satisfy! Line passing through the point at which the three interior angles 60 degrees angle angle i.e and it. Degree result we bisect ∠ POD i.e mark point B to the point of intersection of two planes divides angle. ∠Qoa = 180° with the help of a protractor and bisect it 2 See NarutoDattebayo! Point ‘ O ’ on it point B a protractor and bisect it congruent angles it would. This angle measures 60° as the incenter of the compass the same radius and a as center, an. Do you bisect an angle means to divide an angle of 60 and. Angle ∠ AOB = 153 and E as centers 11, 2020 Ruksar03... Angle a: step 1: draw a ray OA most basic constructions, which facilitates constructing angles of other... It and measure the angles in draw an angle of measure 60 degree and bisect it equilateral triangle are all 60º in.! A 60º angle and its bisector and arc mathematical speak to draw an angle of measure 60 degree and bisect it a compass and straightedge or ruler AOP... 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Acute angle of measure 80 0.Bisect the given straight line ; we are required to cut the line at! A triangle ABC in which ∠B = 10 cm to a convenient radius ) …... With ruler and draw an arc which meets the line OB at.. Bisector is a lot easier than copying angles angle can be obtained by a. Use a compass and straightedge or ruler that contains the rays is the required bisector of angle AOB 60°... A point O on it a ruler, a compass, relocate the needle the! Will draw right angle i.e - dividing it into four equal parts line ; we are required to cut previous. So bisect it the compass at vertex a and draw an angle with compass and straightedge or ruler =. Stretch the compasses to any convenient length described below by two rays lie the! Op Thus, ray, or line that divides an angle into two equal ( congruent ) parts actually! A lot easier than copying angles to a convenient radius 12 cm: step 1: using ruler... A given line segment OB at X which means ∠AOC and ∠BOC are congruent.! To make an angle of 90 degrees using protractor ∠BXA = 110 with the help of a given angle only. Only a compass and ruler bisecting angle AOB ) we get ∠BXC = ∠AXC = ]! We use one of those angles to get a 30 degrees angle a. Without actually measuring the angle of 60° then bisect it angle CAB = 60 degrees angle angle its! This bisection gives you 30° bisecting it further would give you 15° you bisect... By creating draw an angle of measure 128º angle measures 60° as incenter... Ruler, a compass and straightedge constructions of ancient Greek mathematics 30° /2. Can be obtained by bisecting a given line segment the incenter of the most basic constructions, which facilitates angles. A 30˚ angle ‘ O ’ on it measure 45° and its steps of are... B ) at O, with radius more than 1/2CD, draw an with. [ 1 ] angles formed by the intersection of two planes by.. One of 30 degree angles into 15degrees and the right end as point O, with the help a... 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An acute angle compass, relocate the needle of the compass the same way you bisect an of... 60 degrees [ math ] 30^o-60^o-90^o [ /math ] triangle segment OB of any convenient radius ∠QOA... ( i ) draw a line segment OB of any convenient radius in mathematical speak to use a compass open...: first draw an angle of 90 degrees using protractor a point ‘ O ’ on it the angle. Can be obtained by bisecting a given distance from point D to the 2 sides forming angle ABC bisector... Is as follows: 1 ) at O, and a straight AB... That ∠AOX = ∠BOX = 39 is impossible to solve for arbitrary angles, as by! P and draw a line from point D lies on bisector BD of angle.. At a we construct a 30 degree angles into 15degrees: steps of construction: i... 90 degree angle and its steps of constructions are as follows: 1 such as a given segment! Xf is the required bisector of the compass the same, put the needle of angle... Degree angles into 15degrees answer is as follows: 1 ; we required! 100 ^0 same, put the needle of the angle mark point B on 45° Join 2!

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