Question

3. A metallic cylindrical pipe has outer
radius of 3 cm and an inner radius of
2 cm. If the length of the pipe is 70 cm,
then the volume of metal in the pipe, in
cm, is
(a) 350π. (b) 630 π.
(c)280π. (c) 910π.
Please answer fast ,it's urgent.​

Answer 1

Answer:

the answer is (a)350π

Step-by-step explanation:

vol=πh(R²-r²)