Question

1. Prove that angles opposite to equal sides of an isosceles
triangle are equal.step by step​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Given

AB = BC

To prove

Angle B = Angle C

Construction

Draw AD perpendicular to BC such that BD = DC

Proof

In ∆ABD & ∆ACD

AB = AC (GIVEN)

BD = CD (BY CONSTRUCTION)

AD = AD (COMMON)

∆ABD ≈ ∆ ACD BY SSS CRITERIA.

ANGLE B = ANGLE C BY CPCT.

Hope it helps you...

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