Question

II. PRACTICAL GEOMETRY:

Construct the following angles using protractor and

draw a bisector to the given angle = 100°

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Answer 1

Step-by-step explanation:

Draw angle BXA = 110°. With the help of protractor, draw angle AXB = 110°

STEPS OF CONSTRUCTION -

1. Here Vertex X as centre, draw an arc of any radius so as to intersect rays XA and XB, say at E and D, respectively.

2. With D and E as centres and radius more than half of DE, draw arcs so as to intersect each other, at F (say).

3. Draw the ray XF.

Hence, ray XF is the required bisector of angle BXA.

BY MEASUREMENT :

Each

angle BXC = angle AXC = 55°

[ angle BXC = angle AXC = 1/2 of angle BXA = 1/2 × 110° = 55° ]

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Answer 2

Step-by-step explanation:

bisecting 100⁰ = 50⁰....thank you