Question

In triangle ABC if AB=AC and angle B=70 then measure of angle A will be

Answer 1

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As AB=AC therefore
angel B=angel C >>70°

$\large{\green{70+70+A=180}}$
$\large{\green{140+A=180}}$
$\large{\green{A=180-140}}$
$\large{\green{A=40°}}$

$\huge{\blue{A=40°}}$

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hope it helps