This is a cross section of the design of a bookshelf. Which is the closest to the length,in inches,of the brace indicated by BC in the sketch?

asked Apr 4, 2022 125k views

3 votes

This is a cross section of the design of a bookshelf.

Which is the closest to the length,in inches,of the brace indicated by BC in the sketch?

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3 votes

Answer:

25 in

Explanation:

$a^(2) +b^(2) =c^(2) \\15^(2) +20^(2) =c^(2) \\225+400=c^(2) \\c^(2) =625\\c=√(625) \\c=25$

Shparkison answered Apr 9, 2022

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