Is δ abc with vertices a(-2, -5), b(-3, 2) and c(1, -2) a right triangle? a.) δ abc is not a right triangle. b.) δ abc is a right triangle because ab ⊥ ac c.) δ abc is a right triangle because bc ⊥ ac d.) δ abc is a right triangle because ab ⊥ bc

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2