Question

draw an angle of of 80 degree using protector also construct its bisector​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Steps to Construct Angle Bisector

Step 1 :

Construct an angle of given measure at O using protractor.

Step 2 :

With ‘O’ as center draw an arc of any radius to cut the rays of the angle at A and B.

Step 3 :

With ‘A’ as center draw an arc of radius more than half of AB, in the interior of the given angle.

Step 4 :

With ‘B’ as center draw an arc of same radius to cut the previous arc at ‘C’.

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Step 5 :

Join OC.

OC is the angle bisector of the given angle.

This construction clearly shows how to draw the angle bisector of a given angle with compass and straightedge or ruler. The angle bisector divides the given angle into two equal parts.

For example, if we draw angle bisector for the angle 60°, the angle bisector will divide 60° in to two equal parts and each part will measure 30°.

Key Concept - Angle Bisector

The angle bisector of a given angle is the line of symmetry which divides the angle into two equal parts.