Question

PLEASE HELP! DUE in 4 hours!

Answer 1

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