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?

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asked Aug 7, 2022 95.7k views

14 votes

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?

Mathematics
high-school

Garlapak asked

by Garlapak

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2 Answers

8 votes

Answer: K12 USA TestPrep Answer

3√2 ft

Explanation:

Fishus answered Aug 9, 2022

by Fishus

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9 votes

Answer:

4.24264068712 ft

Explanation:

9 + 9 = x^2

18 = x^2

x = 3√2 ft

Aram Papazian answered Aug 12, 2022

by Aram Papazian

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