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kupik [55]
2 years ago
12

A.4 B.5 C.6 D.8 HELP PLEASE

Mathematics
2 answers:
soldier1979 [14.2K]2 years ago
8 0

Answer:

  • A) The radius is 4 m

Step-by-step explanation:

Volume of cylinder formula:

  • V = πr²h

<h3>Given</h3>

  • V = 64π,
  • h = 4 m

Find r by substituting given values:

  • 64π = πr²*4
  • 64π = 4r²π
  • 16 = r²
  • r = √16
  • r = 4 m

Correct choice is A.

True [87]2 years ago
4 0

Answer:

radius, r = 4 meters

Volume of cylinder:

  • \sf V = \pi (radius)^2 (height)

Here provided with:

  • radius = ?
  • height = 4 m
  • volume = 64π

Substituting these values in the formula:

\sf  \rightarrow \pi (r)^2 (4) = 64\pi

\sf  \rightarrow 4\pi (r)^2 = 64\pi

\sf  \rightarrow  r^2 = 64\pi /4\pi

\sf  \rightarrow  r^2 =16

\sf  \rightarrow  r=\sqrt{16}  = 4

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