Question

In △ABC, ∠ABC = 90o and AB = BC. Then ∠A = …….

A) 60o

B) 55o

C) 45o

D) 65o​

Answer 1

Answer:

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45

Answer 2

Answer:

C)45°

Step-by-step explanation:

Given that AB =BC

So, angle BAC=angle BCA

But, angle A+ angle B+ angle C=180°

2 angle A +90°=180°

2 angle A= 90°

angle A=90/2

=45°