alleryਇੱਕ ਤਿਕੋਣ ਦੇ ਦੋ ਅੰਦਰੂਨੀ ਕੋਣ 40° ਅਤੇ 70° ਹਨ। ਤੀਜੇ ਸਿਖਰ 'ਤੇ ਬਾਹਰੀ ਕੋਣ ਕੀ ਹੈ?
A150°
B70°
C110°
D140°
Answer & Solution
Correct answer: C. 110°
ਤੀਜਾ ਅੰਦਰੂਨੀ ਕੋਣ 70 ਡਿਗਰੀ ਹੈ ਅਤੇ ਇਸਦਾ ਰੇਖਿਕ ਜੋੜਾ 180 - 70 = 110 ਡਿਗਰੀ ਹੈ।
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