For the first one write 9 divided by 2 gives your your radius an it’s 3.5. the formula is 2 x 3.14 x radius and that gives you 21.98.
the 2nd one is 2 x 3.14 x 9 = 56.52
the 3rd is 2 x 3.14 x 5= 31.4
formula is always 2 x 3.14 (or pie) x radius
to get your radius from your diameter you do your diameter divided by 2
Answer:
1
Step-by-step explanation:
If you put in 12 for t, you might see what to do.
5 - 12 / 3
12 divided by 3 = 4
/ means divide
5 - 4 = 1
ANSWER: The expression that represents the volume of the cone written in terms of π is: 18π in^3