Question

Find the area of trapezium whose parallel sides are 25cm,13cm and other sides are 15cm and 15cm

Answer 1

1st find area of rectangular base=13 height=x

to find height AEC IS RIGHT ANGLE TRIANGLE

6^2+X^2=15^2

X^2=189

X=13.74

area of rectangular=13×13.74=178.72=179

area of 2 triangle=1/2×2×6×13.74=82.44

total area=261.44

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