Answer:
(4²πx2) + (8π x 4) = 201.061... OR 64π
Answer:
they are alternate exterior angles
Step-by-step explanation:
They are on the outside so they are exterior
It’s a 90 degree clockwise rotation as coordinates become (y,-x).
Step-by-step explanation:
(x-9)²
= (x-9)(x-9)
= x²-9x-9x+81
= x²-18x+81
