Thursday, 24 November 2016

PERIMETER 2


Area of rectangle is 60m2. Find its perimeter if width is 4m. 

Solution

A = L x w

60 = L x 4

60 = 4L
4      4

15 = L

Now; P =2(L + w)

= 2(15 + 4)

= 2 x 19

= 38m

Hence perimeter is 38m

TRY THIS………..

Area of rectangle is 85m2. Find its perimeter if width is 5m. 


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