Question

1.
In AABC, if angle B = 76 and angle c=48° ,find angle A.
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Answer 1

Step-by-step explanation:

Given:-

∠B=76°

∠C=48°

∠A=?

As we know that, sum of all angles of a triangle is 180°.

∴∠A+∠B+∠C=180°

⇒∠A+76°+48°=180°

⇒∠A+124°=180°

⇒∠A=180°−124°

⇒∠A=56°

Answer 2

Step-by-step explanation:

Ans is 56

76+48+c=180

c+124=180

c=180-124

c=56