One diagonal of a quadrilateral measures 20.8 cm. If the perpendicular drawn to it from the opposite vertices are 12 cm and 15 cm, then find the area of quadrilateral.
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Step-by-step explanation:
The area of the quadrilateral=1/2×20.8×(12+15)=1/2×20.8×27=10.4×27=280.8 cm square
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