Question

7. ABC is a right angled triangle in which ∠A = 90° and AB = AC. Find ∠B and ∠C.

Answer 1

B and C =45
Using angles opposite to opposite sides are equal do angle B = angle C
Then using angle sum property !
A+B + C = 180
A + 2B =180
2 B = 180 - A
2 B = 180-90
2 B = 90
B = 45
Hope this helps

Answer 2

Here is your answer
Hope it helps
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Greetings
Kushagra