The sides AB and AC of ∆ABC are produced to points E and D respectively. If bisectors BO and
CO of ∠CBE and ∠ BCD respectively meet at point O, then
i) prove that ∠BAC = 180° - 2 ∠BOC
ii) if ∠BOC = 55° find the measure of ∠BAC
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Answer:
in first u have given angleBAC=180-2angleBOC
in secondu have angleBOC=55 the answer is anglebac=180-2×55=180-110=70
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Answer: the answer is 70.......
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