Question

find the sum of the lengths of the bases of a trapezium whose altitude is 9cm and whose area is 0.72m square.​

Answer 1

Answer:

0.16

Step-by-step explanation:

area of trapezium =h(a+b)/2

0.72=9(a+b)/2

1.44=9(a+b)

a+b=1.44/9

a+b=0.16