Math, asked by family67, 4 months ago

ਤ੍ਰਿਭੁਜ ABC ਵਿੱਚ, AB=BC ਅਤੇ ∠B = 70° ਹੈ ਤਾਂ ∠A ਦਾ ਮੁੱਲ ਪਤਾ ਕਰੋ : In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be: त्रिभुज ABC में, AB=BC और ∠B = 70° है तो ∠A का मूल्य पता करे: *​

Answers

Answered by NisaAmreen
0

Step-by-step explanation:

since,AB=AC

angleB =angle C=70°

so the sum of the angles of a triangle,

A+B+C=180°

A+70°+70°=180°

A+140°=180°

A=180°-140°

A=40°

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