Using the formula for area of a circle: area = pi x r^2
You now have:
225pi ft^2 = pi x r^2
Divide both sides by pi:
225 = r^2
Take the square root of both sides:
r = 15
The radius is 15 feet.
The diameter is the radius x 2:
Diameter = 15 x 2 = 30 feet.
Answer: 30 feet.
Answer:
answer is C f(n) = 4(3)n; f(5) = 972
Step-by-step explanation:
i took the test, also
Answer:
uh what question
Step-by-step explanation:
Answer:
V=160
Step-by-step explanation:
I will do the work so you can have something to show your teacher:
V=(1/2)(4)(8)(10)
V=(2)(8)(10)
V=160