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Mathematics 7 Online
OpenStudy (anonymous):

What is the volume of a cone that has a height of 7 mm and a radius of 3 mm? Use 3.14 to approximate pi and express your answer in hundredths.

Mehek (mehek14):

do you know the formula?

Mehek (mehek14):

\(\dfrac{πr^2h}{3}\)

Mehek (mehek14):

r = 3 h = 7 \(3^2?\)

Mehek (mehek14):

3 x 3 does not equal 7

OpenStudy (anonymous):

9

Mehek (mehek14):

9 x 7

OpenStudy (anonymous):

63

Mehek (mehek14):

63 x 3.14

OpenStudy (anonymous):

197.82

Mehek (mehek14):

197.82/3

OpenStudy (anonymous):

65.94

Mehek (mehek14):

that's ur answer

OpenStudy (anonymous):

thanks

Mehek (mehek14):

yw

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