Question

area of trapezium is 138 metre square the distance and the difference between the length of the parallel sides are 12 and 7 respectively find the length of the parallel side​

Answer 1

Answer:

let small side =x

therefore big side=x+7

Atrapezium=1÷2 (sum of parallel side)height

138=1÷2(x+x+7)12

138÷6=2x+7

23-7=2x

16÷2=x

x=8

small side=8

big side=8+7=15

Answer 2

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