Question

ABCD is rectangle. If AB is 20cm and ar of ABCD-100cm^2 find bc

Answer 1

Answer:  5cm

Step-by-step explanation:

area of abcd = l*b

100= 20*bc

bc= 100/20= 5cm

Answer 2

Answer:

Step-by-step explanation:

Area of a rectangle=Length*breadth=100

length=20

breadth=?

Area=20*x=100

x=5