Question

the area of a trapizium is 12 sq.m. if its h be 3 m find the sum of parallel sides

Answer 1

area of trapezium =1/2into (sum of lengths of parallel sides)into height
12=1/2into (sum of parallel sides)into 3
sum of parallel sides=12into2/3
=24/3
=8
Sum of parallel sides is 8m.