Question

In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be__maths​

Answer 1

Answer:

angle A = 70°

Step-by-step explanation:

AS THE OPPOSITES SIDES ARE EQUAL SO THE OPPORTUNITIES ANGLES ARE ASLO EQUAL...

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Answer 2

Answer:

✯Given:

In a Δ ABC, AB = AC and ∠B = 70°

✯To find:

∠A

✯Solution:

∠B = ∠C [Angles opposite to equal sides are equal]

Therefore, ∠B = ∠C = 70°

Sum of angles in a triangle = 180°

∠A + ∠B + ∠C = 180°

∠A + 70° + 70° = 180°

∠A = 180° – 140° ∠A = 40°