Question

solve the following , a) in triangle ∆ABC , angle A = angle C and angle B = 70°, find angle A​

Answer 1

Answer:

angle A = 55°

Explanation:

Since Angle A = C we will take a common letter x

x + x + B = 180°(Angles on a triangle sum upto 180°)

x + x + 70° = 180°

2x + 70° = 180°

2x = 180° - 70°

x = 110/2

x = 55°

So, Therefore angle A and angle C = 55°

Answer 2

Answer:

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