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4 votes
Is a right triangle. If AB = 3 and AC = 7, find BC. Leave your answer in simplest radical form.

User Elizafox
by
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1 Answer

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Use the Pythagorean Theorem

3^2 + b^2 = 7^2

9 + b^2 = 49

Subtract

b^2 = 40

b = √40
User Ada
by
8.0k points

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