### Home > PC > Chapter 4 > Lesson 4.2.1 > Problem 4-76

4-76.

A circle of radius

How much would a

sector weigh? What part of the entire cardboard would

represent? How much would a circle of radius

cm cut out of the same cardboard weigh? What is the area of a circle?

Set up information involving area and weight.

Set up a proportion and solve for the new weight.

A

_{circle}^{}A_{original}

Weight_{original}

A_{new}

Weight_{new}???