Question

If a triangle ABC is drawn such that the sides AB and AC are equal and ∠C is 55°, then, what is the value of ∠A?

Answer 1

Answer:

<A = 70°

Step-by-step explanation:

<C = 55°

<B = 55°(given)

According to anglesum property of a triangle,

<A+<B+<C = 180°

<A + 55°+55° = 180°

<A+110° = 180°

<A = 180°- 110°

= 70°

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