Question

The surface of an office desk has an area of 18 square feet. Its perimeter is 18 feet. What are the dimensions of the desk?​

Answer 1

the dimensions are 3 and 6 feet

Explanation:

xy=18

x+y=9

x=9-y

y(9-y)=18

-y^2+9y -18=0

y^2-9y+18=0

(y-6)(y-3)=0

if y=6, x=3

if y=3, x=6