Question

Hi please help me answer!

Amal designed a silver necklace pendant in the shape of a cone. The slant height of the cone is 5 millimeters, and the radius of the cone is 3 millimeters.

What is the volume of the silver pendant, rounded to the nearest tenth?

Use 3.14 for π.
The options:

141.3 mm^3

37.7 mm^3

113.0 mm^3

47.1 mm^3

Answer 1

The correct option is D) 47.1 mm³

V = πr²
`(h)/(3)`

= π × 3² ×
`(5)/(3)`

≈ 47.1 (rounded 1 DP)