Question

In the figure, if AB = AC, find X​

Answer 1

Answer:

Given,

AB = AC

Angles opposite to equal sides are equal

☞✓B = ✓C

→✓A + ✓B + ✓C = 180°

→ 80° + 2✓B = 180

→ 2✓B = 100°

→ ✓B = 50°

☞ ✓B = 50°

✓C = 50°

Since ,AC is a straight line,

✓C + x = 180°

50° + x = 180°

x = 130°

Step-by-step explanation:

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Answer 2

x=130°

Step-by-step explanation:

if the Ab= AC then angle B =angleC

and sum of angles is =180°

angle A=80° and angle B and C = 50°

angle of linear pair=180°

C= 50° then X= 180°-50° =130°

hense X=130°

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