Question

to show that angles opposite to equal sides of a triangle are equal. Plz help me wid this question and give answer if u know or else don't jxt to increase ur points....

Plz help.....​

Answer 1

Answer:

Angles opposite to equal sides of a triangle are equal. Sides opposite to equal angles of a triangle are equal. Each angle of an equilateral triangle is of 60°. If three sides of one triangle are equal to three sides of the other triangle, then the two triangles are congruent (SSS Congruence rule)

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Answer 2

✪GIVEN✪

• Triangle ABC such that AB = AC.

★TO PROVE★

• ∠ABC = ∠ACB

☆CONSTRUCTION☆

• From A, draw a line AD bisecting BC at D.

᯽PROOF᯽

In ΔABD and ΔACD

☞︎︎︎ AB = AC (Given)

☞︎︎︎ BD = CD (By Construction)

☞︎︎︎ AD = AD (Common)

By SSS congruent criteria

ΔABD ≅ ΔACD

Corresponding angles of congruent triangles are equal. Hence,

∠ABC = ∠ACB

Hence Proved