Answer:
do u still need help
Step-by-step explanation:
Answer:
y=3x-9
Step-by-step explanation:
They are acute , and they also when added together equal 90 degrees so i think they are complementary angles
Answer:
C.
Step-by-step explanation:
Yes, because the area of the base of a triangular pyramid with equilateral triangles for faces is the same as the area of each face.
So the surface area is 64 * 4 which is 256