Question

15. In triangle ABC, if AB=AC and angle B is 70°,Find angle A.​

Answer 1

Answer:

A=40

Step-by-step explanation:

B=70C=70A=180-140=40

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Answer 2

Answer:

angle A =40°

In tri. ABC

AB=BC

AND ANGLE B= 70°

ABC IS AN ISOSCELES TRI..

SO,

A+B+C=180

THEN,

angle A= 180-140

angleA = 40°

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