Question

6)

A bookcase is 3 feet high and 3 feet wide. Two braces are going to be built to diagonally cross the back of the case. How long is
the piece of wood that is needed to build each brace?

Answer 1

Answer: K12 USA TestPrep Answer

3√2 ft

Explanation:

Answer 2

4.24264068712 ft

Explanation:

9 + 9 = x^2

18 = x^2

x = 3√2 ft