Question

The vertices of a triangle are A(–2, 2), B(9, 0), and C(1, –4). If the triangle is a right triangle, which vertex is the right angle?
A.
A
B.
B
C.
C
D.
none, it is not a right triangle

Answer 1

have you studied vectors?

Answer 2

if not, then youll have to resort to finding the lengths between the points to determine if they can run a pythag setup

Answer 3

ohhh ok thank you