alleryएका त्रिकोणाचे दोन आंतरकोन 40° आणि 70° आहेत. तिसऱ्या शिरोबिंदूवरील बाह्यकोन किती आहे?
A150°
B70°
C110°
D140°
Answer & Solution
Correct answer: C. 110°
तिसरा आंतरकोन 70 अंश आहे आणि त्याची रेषीय जोडी 180 - 70 = 110 अंश आहे.
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