Question

The volume of a cone is 1570 cm. If it is 15 cm high then its base area is.
a. 413 cm ^2

b. 314 cm ^2

c 514 cm ^2

d. 415 cm^2.
answer with explanation​

Answer 1

Answer:

314 cm^2

Step-by-step explanation:

We know that, Volume of the cone = 1/3 *πr^2h

According to the question,

1/3*πr^2 * 15 = 1570

or, πr^2 = 1570*3/15

Therefore, π r^2 = 314 cm^2

Base area = 314 cm^2