Greatthinker2000 Greatthinker2000

01-11-2017
Mathematics

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PLEASE HELP! DUE in 4 hours!

PLEASE HELP DUE in 4 hours class=

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musiclover10045 musiclover10045

01-11-2017

calculate the slopes

3-0 / -2 - 2 = 3/-4 = -3/4

3 - -4 / -2 - -1 = 7/-1 = -7/1

0 - -4 / 2 - -1 = 4/3

-3/4 and 4/3 are negative reciprocals so this is a right triangle

Answer is A

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