AREA 1

Area of rectangle is 48m². Find its perimeter if width is 2m. 

Solution

A = L x w

48 = L x 4

48 = 2L

2      2

24 = L

Now; P =2(L + w)

= 2(24 + 4)

= 2 x 28

= 56m

Hence perimeter is 56m

TRY THIS………..

Area of rectangle is 84m². Find its perimeter if width is 4m.