Question

If 1 gallon of paint covers 400 square feet, about how many gallons of paint are needed to paint the exterior of a spherical tank of a diameter 30 feet? Use π ≅ 3.14.
a 6.065
b 7.065
c 8.065
d 9.065

Answer 1

Answer:

b

Step-by-step explanation:

4 x 3.14 x 15^2 =2826

2826 / 400