Volume cylinder pi 3.14 d=12 cm h = 6cm d=2r

678.24cm³

Step-by-step explanation:

Volume of cylinder = # r² h

Where # = 3.14

r = radius = d/2 = 12/2 = 6cm

h = 6cm

Therefore

Volume = #r²h

= 3.14 × 6² × 6

= 3.14 × 36 × 6

= 678.24cm³

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ratio is 2 : 9

the answer is three

13.5 : 3

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.