"The area of a trapezium is `91\ c m^2`and its height is 7cm. If one of the parallel  sides is
Channel: Doubtnut
Date: 2020-08-16

"The area of a trapezium is `91\ c m^2`
and its height is 7cm. If one of the parallel
  sides is longer than the other by 8cm, find the two parallel sides."