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ਇੱਕ ਸਮਦੁਬਾਹੁ ਤਿਕੋਣ ਦਾ ਸਿਖਰ ਕੋਣ 40° ਹੁੰਦਾ ਹੈ। ਹਰੇਕ ਅਧਾਰ ਕੋਣ ਕੀ ਹੈ?

A50°
B70°
C40°
D60°
Answer & Solution
Correct answer: B. 70°
ਬੇਸ ਕੋਣ 180 - 40 = 140 ਡਿਗਰੀਆਂ ਨੂੰ ਬਰਾਬਰ ਸਾਂਝਾ ਕਰਦੇ ਹਨ, ਇਸ ਲਈ ਹਰੇਕ 70 ਡਿਗਰੀ ਹੈ।
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