Jared11 Jared11

14-01-2016
Mathematics

Answered

Point C is the midpoint of AB for A(1,-2) and B(7,2). What is the length of AC? Round to the nearest tenth.

Verified Answer :

crisforp crisforp

15-01-2016

AC = AB / 2;
AB = \(\sqrt{ (7-1)^{2} + (2+2)^{2} } = \sqrt{36+16} = \sqrt{52} = 2 \sqrt{13} ;\)
finally, AC = \(\sqrt{13} .\)

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