ABC is a right triangle. If AB= 3 and AC= 7, find BC. Leave your answer in the simplest radical form. 1.) 2√13 2.) √58 3.) 4√3 4.) 2√3

Bearoplane asked Jun 27, 2022

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ABC is a right triangle. If AB= 3 and AC= 7, find BC. Leave your answer in the simplest radical form.

1.) 2√13
2.) √58
3.) 4√3
4.) 2√3

Bearoplane asked Jun 27, 2022

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22 votes

Using Pythagorean theorem

$\\ \sf\longmapsto BC^2=AB^2+AC^2$

$\\ \sf\longmapsto BC^2=7^2+3^2$

$\\ \sf\longmapsto BC^2=49+9$

$\\ \sf\longmapsto BC^2=58$

$\\ \sf\longmapsto BC=√(58)$

Rohan Patel answered Jul 2, 2022

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