A radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. Set up the formula for the area of a circle. The formula is A = π r 2 it equals the area of the circle, and r equals the radius.
Solve for the radius.
Plug the area into the formula.
Divide the area by.
Take the square root.
Answer:
hmmmm.... sorry but i really dont know this yet
Step-by-step explanation:
Answer:
C. 15
Step-by-step explanation:
The following proportional can be set-up for the figure given:

Solve for x


Cross multiply


15 = 6x - 5x
15 = x
x = 15
7 out of 12 have 31 im guessing
Christina can buy 7 bananas because one papaya is 8 dollars and then you do 50-8=42 and then 42/6 which equals 7.
Billy can only buy one pair of jeans. The reason is that jeans are 35 bucks and he has already spent 55 dollars on a hat and jacket and that leaves him with 35 bucks left so 35-35 equals zero!