find the area of quadrilateral whose side measure 9,40,28 and 15 cm and in which 1st two are side of right angle
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Find the area of the quadrilateral whose sides measure 9 cm , 40 cm, 28 cm and 15 cm , and in which the angle between the first two sides is right angle . Solution : Let ABCD be the given quadrilateral in which AB= 9 cm , BC=40 cm ,CD=28 cm DA= 15 cm and ∠ABC=90∘. =√1681cm=41cm.
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