Who ever get 18 points and brainliest answer!

1) a city's water tower is in the shape of a sphere with a radius of 15 feet. if the tank is full, what is the exact value of the volume of the tank?

225π ft3

450π ft3

550π ft3

4500π ft3

2.) a volleyball has a radius of 6 inches. what is the exact value of the volume of the ball?

64π in3

288π in3

972π in3

1024π in3

( tell me how you got the )

my test results

A city's water tower is in the shape of a sphere with a radius of 15 feet. If the tank is full, what is the exact value of the volume of the tank?

Selected

Incorrect 450π ft3

Correct

Correct 4500π ft3

Response Feedback:

Use the formula for volume of a sphere.

Question 2

1 out of 1 points

A basketball has a radius of 9 inches. What is the exact value of the volume of the ball?

Selected

Correct 972π in3

Correct

Correct 972π in3

Response Feedback:

Use the formula for volume of a sphere.

Question 3

1 out of 1 points

A lacrosse ball has a radius of 3 inches. Which value is closest to the volume of the ball? Use 3.14 for π.

Selected

Correct 113.04 in3

Correct

Correct 113.04 in3

Response Feedback:

Use the formula for volume of a sphere.

Question 4

1 out of 1 points

A geodesic dome has a radius of 27 feet. Which value is closest to the volume of the dome? Use 3.14 for π.

Selected

Correct 82,406 ft3

Correct

Correct 82,406 ft3

Response Feedback:

Use the formula for volume of a sphere.

Question 5

1 out of 1 points

The Epcot Center in Florida has a giant dome that is a sphere with a diameter of 165 feet. Which value is closest to the volume of the dome? Use 3.14 for π.

Selected

Correct 2,350,879 ft3

Correct

Correct 2,350,879 ft3

Response Feedback:

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.