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[" What y "],[" Crample "8:In" Fig."6.38...

[" What y "],[" Crample "8:In" Fig."6.38" ,the sides AB and AC of "],[/_ABC" are produced to points "E" and "D" respectively."],[" If bisectorel "BO" and "CO" of "/_CBE" and "/_BCD],[/_BOC=90^(@)-(1)/(2)/_BAC" ."],[[/_BOC=90^(@)-(1)/(2)/_BO,=(/_CBE)/(2)],[,=((180^(@)-y))/(2)],[,=90^(@)-4/2']]

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