alleryਤਿੰਨ ਸੈਕਟਰ 120, 90 ਅਤੇ 60 ਡਿਗਰੀ ਮਾਪਦੇ ਹਨ। ਚੌਥੇ ਸੈਕਟਰ ਦਾ ਕੋਣ ਕਿਹੜਾ ਹੈ?
A60 ਡਿਗਰੀਆਂ
B70 ਡਿਗਰੀਆਂ
C80 ਡਿਗਰੀਆਂ
D90 ਡਿਗਰੀਆਂ
Answer & Solution
Correct answer: D. 90 ਡਿਗਰੀਆਂ
ਪਹਿਲੇ ਤਿੰਨ 270 ਡਿਗਰੀਆਂ ਨੂੰ ਜੋੜਦੇ ਹਨ, ਇਸ ਲਈ ਆਖਰੀ ਸੈਕਟਰ 360 ਘਟਾਓ 270 = 90 ਡਿਗਰੀ ਹੈ।
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