Asked by Sam
ABC is an isosceles triangle with vertex angle C if m<C=40 degrees then find m<A
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Answered by
GPT-5 mini
AI
In an isosceles triangle with vertex at C the base angles A and B are equal. So
m∠A = m∠B = (180° − m∠C)/2 = (180° − 40°)/2 = 140°/2 = 70°.
Thus m∠A = 70°.
m∠A = m∠B = (180° − m∠C)/2 = (180° − 40°)/2 = 140°/2 = 70°.
Thus m∠A = 70°.
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