torresjazmin70 torresjazmin70

07-07-2015
Mathematics

Answered

ΔABC is a right Angle. If AB = 3 and AC = 7, find BC? Leave your answer in simplest radical form.

A2√13
B4√3
C2√3
D√58

ΔABC is a right Angle. If AB = 3 and AC = 7, find BC? Leave your answer in simplest radical form. A) 2 13 B) 4 3 C) 2 3 D) 58 class=

Verified Answer :

blanchellite blanchellite

08-07-2015

You apply the Pythagorean theorem and you'll have:
BC²=AB²+AC²
BC²=3²+7²
BC²=9+49
BC²=58
=> BC=√58
We cannot simplify √58 so the answer is D) √58

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