WILL GIVE BRAINLIEST

the height is 15

B) 15

Step-by-step explanation:

Volume of a cone formula:

V = πr²(h/3)

D/2 = r

10/2 = r

r = 5

393 = (3.14)5²(h/3)

393 = 78.5(h/3)

h = 15.02

h = 15

14

step-by-step explanation:

14 x 3 = 42

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