alleryತ್ರಿಕೋನದ ಎರಡು ಆಂತರಿಕ ಕೋನಗಳು 40° ಮತ್ತು 70°. ಮೂರನೇ ಶೃಂಗದಲ್ಲಿ ಬಾಹ್ಯ ಕೋನ ಎಷ್ಟು?
A150°
B70°
C110°
D140°
Answer & Solution
Correct answer: C. 110°
ಮೂರನೇ ಆಂತರಿಕ ಕೋನವು 70 ಡಿಗ್ರಿಗಳು ಮತ್ತು ಅದರ ರೇಖೀಯ ಜೋಡಿ 180 - 70 = 110 ಡಿಗ್ರಿಗಳು.
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