Question

What is the volume , in cubic centimers of a cylinder with a height of 15 cm and a diameter of 12 cm ?

a. 180(pi)
b. 540(pi)
c. 675(pi)
d. 2160(pi)

I dont know how to answer a question liek that with pi in it . I just know how to solve the equation altogether and i got 1,696.460 :/

Answer 1

the volume of a cylinder = \(\pi r^2 h\) however r is not given..BUT d is given...and if you recall \(d = 2r\) therefore \(r = \frac{d}{2}\) we replace that into the equation \[V = \pi (\frac{d}{2})^2 h\] now just plug in the values

Answer 2

so it would be 3.14(6)^215)
which is 540(pi) which is b ?

Answer 3

yep that's right

Answer 4

thanks @lgbasallote