Question

I have a rectangle with a length of 7 cm and a perimeter of 38 cm. Find the area of the rectangle?

Answer 1

area is 84

Explanation:

perimeter is 38(p)

length (l) is 7cm

width is?(w)

p=2(l+w)

38=2(7+w)

38=14+2w

2w=38-14

2w=24

w=12

area=l*w

12*7

=84