Answer: 907.92 ft²
Step-by-step explanation:
1. To solve this problem you must apply the formula for calculate the area of a circle, which is shown below:

Where r is the radius of the circle.
2. You know the radius of the circle B, therefore, when you susbtitute it into the formula, you obtain that the area of the circle B is:

Answer:
times you have to remove a red marble
Step-by-step explanation:
8 /30/=3.75
=3.75
Answer:
the answer is 37.5714285714
Step-by-step explanation:
hope it helps have a nice day or night
:)
9/11=x/22
11*2=22
9*2=x
x=18
9/11=18/22