alleryএটা ত্ৰিভুজৰ দুটা অন্তঃকোণ হ'ল 40° আৰু 70°। তৃতীয় শীৰ্ষবিন্দুত বহিঃকোণটো কিমান?
A150°
B70°
C110°
D140°
Answer & Solution
Correct answer: C. 110°
তৃতীয় অন্তঃকোণটো 70 ডিগ্ৰী আৰু ইয়াৰ ৰৈখিক যোৰ হ'ল 180 - 70 = 110 ডিগ্ৰী।
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