kingluis1 kingluis1

02-11-2017
Mathematics

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PLZZZZZZZZZZZZ HELP ME

The coordinates of the vertices of triangle ABC are A(-1,3), B(1,2) and C(-3,-1).

Determine the slope of each side of the triangle and use that information to determine if the triangle is a right triangle or not.

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musiclover10045 musiclover10045

03-11-2017

slope 1 = 2-3 /1- -1 = -1/2 Change in A & B

slope 2 = -1-2 / -3 -1 = 3/4 Change in B & C

slope 3 = 3 - -1 / -1 - -3 = 2 Change in A & C

since slope 1 is a negative reciprocal of slope 3

the triangle is a right triangle

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