Question

the length if rectangle exceedsits width bt 4 cm. if its perimeter is 40 cm find its dimensions​

Answer 1

Answer:

2(x+x-4)=40

2(2x-4)=40

4x - 8=40

4x=48

x=48/4

x=12

The length of the rectangle is 12

The width of the rectangle is x-4=12-4=8