Question

Find are of trapezium by herons formula whose parralel sides are 25cm and 13cm and other sides are 15cm and 15cm

Answer 1

HEY DEAR ... ✌️

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Here's , ur answer :-

=) It's isolated trapezium 

=) 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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HOPE , IT HELPS ... ✌️