Question

Work out the volume of this sphere. Give your answer to 1 decimal place. 7 cm radius ​

Answer 1

Explanation:

The formula for the volume of a sphere is:

V = (4/3)πr³

where r is the radius of the sphere and π (pi) is a mathematical constant approximately equal to 3.14159.

Substituting the given value of radius, we get:

V = (4/3)π(7 cm)³

V = (4/3)π(343 cm³)

V = 4.18879 × 343 cm³

V = 1436.755 cm³

Rounding to 1 decimal place, the volume of the sphere is:

V ≈ 1436.8 cm³

Answer 2

Answer: 1,436.8 cm³

Explanation:

The volume of a sphere can be found with this formula. We are given the radius, so we will substitute 7 for r and simplify.

V =
`(4)/(3)`πr³

V =
`(4)/(3)`π(7)³

V ≈ 1,436.75504 ≈ 1,436.8 cm³