On a coordinate plane, AABC has vertices at A(3, 6), B(12, 6), and C(12, 1).
Which statements are true?
Select all that apply.
A. AABC is a right triangle.
B. AABC is an equilateral triangle.
C. AABC is an isosceles triangle.
D. AABC is a scalene triangle.
E.
F.
ZA and ZC are complementary.
ZA and ZC are supplementary.