Question

The width of a rectangle is 4 feet, and the diagonal length of the rectangle is 15 feet. Which measurement is closest to the length of this rectangle in feet?

Answer 1

a=14.46ft

Explanation:

1) a^2*b^2=c^2

2) a^2*4^2=15^2

3) a^2*16=225

4) a^2=209

5) a=
`√(209)`

6) a=14.46ft