Answer:
(4,-20)
Step-by-step explanation:
midpoint ((x1+x2)/2, (y1+y2)/2)
Let S be (x,y(
(0+x)/2=2, solve for x, x=4
(4+y)/2=-8, solve for y, y=-20
The base of a cone is a circle.
The area of a circle is

.
Thus, the area of the base of a cone

.
The derivation of the formula for the area of a circle involves a bit of calculus, but if you'd like, I can walk you through it.
Basically your negatives beside each other turn into a positive because two negatives equals a positive
-9 + 2 = 7
7 + 9 = 16
X = 16
Answer:
Step-by-step explanation:
you need to show the answers