Question

A triangle has side lengths of 4, 4, and 4 squareroot of 2 Determine whether the triangle is a 45°-45°-90° triangle, a 30°-60°-90° triangle, or neither.

Answer 1

this is wat i can pick out....
A.
RO,–270°(x, y) → (–y, x)
B.
RO,–270°(x, y) → (x, –y)
C.
RO,270°(x, y) → (–x, –y)
D.
RO,270°(x, y) → (–y, –x)

Answer 2

what do i do with that?