Answer:
vol of cylinder = per. of base x height + 2 (area of base)
area of base = pi x r^2
4pi = pi r^2
4=r^2
r=2
per of base = 2 x pi x r
2xpix2=4pi (same as area cause 2x2 and 2^2 is the same thing)
4pi + 2(4pi)
4pi + 8pi
<u>12pi = volume</u>
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<u>hope that answers your question</u>
<u>Don't hesitate to comment if you are confused about something</u>
Step-by-step explanation:
Answer:
7/10
Step-by-step explanation:
Answer:
22
Step-by-step explanation:
88% × 25 =
(88 ÷ 100) × 25 =
(88 × 25) ÷ 100 =
2,200 ÷ 100 =22
Souce: Percentages.Calculator
Answer:
56.3
Step-by-step explanation:
The third one.