abcd is a quadrilateral such that ab =5 cm cd =7 cm bc = 17 cmand ad=25 cm and angle abc+angle bcd=270 find area of abcd
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naku
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produce AB and DC such that they meet at point P. now according two question angle p will be 90degree. now you can find area of quadrilateral by area of triangle ADP -ar of triangle PBC.
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