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Elanso [62]
3 years ago
6

Emily is building a square bookshelf. She wants to add a diagonal support beam to the back to strengthen it. The

Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0

Answer: 4√2

The sides of a 45-45-90 triangle are in the ratio 1 : 1 : √2. In this case, the ratio is 4 : 4 : 4√2.

i hope this helped! :D

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