The area of a trapezium-shaped field is 480 m2, the distance between two parallel sides is 15 m and one of the parallel sides is 20 m. Find the other parallel side.

Explanation

Given
area of trapizium `=480cm^2`
distance between two parallel sides is `20m` .
one of the parallel side is `20m` .
we need to find other parallel sides. let other parallel side be `x`.
area `=`[distance between parallel side `xx` (sum of parallel side )]`/2`
`implies 480=[15xx (20+x)]/2`
`implies 20+x= (2xx480)/15`
`implies x=64-20=44cm`.
Hence we get required result.