calculate the area of quadrilateral ABCD in which ab=bd ad=10cm angle bcd=90°and cd=8cm(take 3√1.732)
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Answer:
67.3cm^2
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area of quadrilateral=b×h
AD× CD=8cm×10cm
=80cm²
angle bcd=90°
area of quadrilateral-angle bcd
80cm²-90°
=10cm²
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