Question

The parallel sides of a trapezium are 25cm and 11 cm while it's non-parallel sides are 15 cm and 13 cm find the area of the trapezium​

Answer 1

Step-by-step explanation:

see photo carefully...

firstly we have to find out the area of triangle by using heron's formula .

as we find out area as 84 cm2

after that , by using 1/2 b.h .

now we get the height of triangle.

for obtaining area of trapezium use formula 1/2 (sum of parallel side )× height.

hope this helps you..

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