Question

The length of a rectangle is twice its breadth. If its perimeter is 30 cm, find th rectangle​

Answer 1

Answer:

Perimeter = 30,

Breadth = b

Length = 2b

Step-by-step explanation:

Perimeter = 2(l+b)

30 = 2 (2b+b)

30 = 2(3b)

30 = 6b

30/6 = b

5 = breadth

length = 2b = 2*5 = 10cm