Answer:
20.25 pi
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
9 pi = 2 * pi *r
Divide each side by 2pi
9pi / 2 pi = 2 pi r / 2 pi
4.5 = r
Now we can find area
A = pi r^2
= pi ( 4.5)^2
20.25 pi
Answer:
if you want to add the answer is 32.2
If you want to subtract the answer is 1.7
Answer:
d
Step-by-step explanation:
Answer:
420
140 x 4 = 420
Step-by-step explanation:
Answer:
(8,4)
Step-by-step explanation:
Because both of the numbers are fourths