Question

In the given figure if measure of
at is 80 then what is the measure
of 12.
figure -
1
2
Options:- 0280 62 100° (c) 20° ( 180°​

Answer 1

Answer:

80⁰

Step-by-step explanation:

Angle 1 = Angle 2 (Vertically opposite angles)

So, Angle 2 = 80⁰

Answer 2

Given : Two intersecting lines  Two vertically opposite angles marked  ∠1 and ∠ 2

∠1  = 80°

To Find :   measure​ of  ∠ 2 , choose correct option

80°

100°

20°

180°

Solution:

From figure its clear that

∠1 and ∠ 2 are vertically opposite angles

Vertically opposite angles are equal

hence ∠1 =  ∠ 2

∠1  = 80°

=>   ∠ 2 = 80°

measure​ of ∠ 2 = 80°

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