Question

State and prove isosceles triangle theorem​

Answer 1

Answer:

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Step-by-step explanation:

Theorem 1: Angles opposite to the equal sides of an isosceles triangle are also equal. Theorem 2: Sides opposite to the equal angles of a triangle are equal. ... Proof: In a triangle ABC, base angles are equal and we need to prove that AC = BC

or AABC is an isosceles triangle.

Answer 2

Answer:

Theorem 1: Angles opposite to the equal sides of an isosceles triangle are also equal. Theorem 2: Sides opposite to the equal angles of a triangle are equal.  Proof: In a triangle ABC, base angles are equal and we need to prove that AC = BC or ∆ABC is an isosceles triangle.