Abcd is a trapezium in which ab is parallel to cd and ad is equal to bc. D and f are two
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ABCD is a trapezium in which AB and CD are parallel and <A = <B = 45. What is <C and <D?
Since <A = <B, the figure is an isosceles trapezium. So <A +<D = 180 or <D = 180–45 = 135 deg. Again <B +<C = 180 or <C = 180–45 = 135 deg.
Hence <C = <D = 135 deg.
Since <A = <B, the figure is an isosceles trapezium. So <A +<D = 180 or <D = 180–45 = 135 deg. Again <B +<C = 180 or <C = 180–45 = 135 deg.
Hence <C = <D = 135 deg.
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