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Xelga [282]
3 years ago
9

PLEASE HELP

Mathematics
1 answer:
zhuklara [117]3 years ago
5 0
Look at the picture.

Use the Pythagorean Teorem:
l^2+(5l)^2=d^2\\l^2+5^2l^2=d^2\\d^2=l^2+25l^2\\d^2=26l^2\\d=\sqrt{26}^2\\d=\sqrt{26}\cdot\sqrt{l^2}\\\boxed{d=l\sqrt{26}}

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