3 years ago

50 POINTS + BRAINLIEST

Mathematics

2 answers:

Dmitriy789 [7]3 years ago

7 0

Answer:

This is a right triangle :)

BARSIC [14]3 years ago

3 0

slope = rise over run = y/x

A (-1,3) slope = 3/-1 = -3

B (1,2) slope = 2/1 = 2

C (-3,-1) slope = -1/-3 = 1/3

2 lines need to be negative reciprocals in order to be a right triangle

negative reciprocal of -3 is 1/3

so this is a right triangle

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