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2) In figure, points G,D,E,Fare concyclic point of acircle with center CECF 700 M ( arc DGF ) 2000Find m (arc DE) and m (arc DEF) |
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Answer» given by:- 》∠ECF = 70°,》m(arc DGF) = 200°》m(arc DE) = 360°-[m(arc DGF) + ∠ECF]》= > 360° - (200+70)》=> 360 - 270》m(arc DE) =90° ans》m(arc DEF) = m(arc DE) + ∠ECF》=> 90+70》m(arc DEF) = 160°ans》hence,》m(arc DEF) = 160°》m(arc DE) =90° |
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