Find the surface area of a grapefruit with a circumference of 14 cm. Round your answer to the nearest whole number.

asked Feb 9, 2019 188k views

1 vote

by Boes

7.9k points

Please log in or register to add a comment.

3 votes

The answer is 62 cm^2!

JDupont answered Feb 11, 2019

7.6k points

3 votes

The circumference is given by
$2 \pi r=14\;cm$ . The radius is

$r=(7)/(\pi)$ . The surface area of the grape fruit is

$S=4\pi r^2$ .

Substituting numerical values,

Brennazoon answered Feb 15, 2019

7.6k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.6m questions

11.3m answers