Back to Know the formulas for the area and circumference of a circle and use them to solve problems — Problem 2 · Task Set 27

7.G.B.4 Tutor Intake -- Area and Circumference of Circles

This short check helps your tutor see where to start. Work on your own,
without a calculator. If you're unsure, give your best try — the goal is
to find what to work on together, not to grade you.

Grade 7·7 problems·~10 min·Common Core Math - Grade 7·standard·7-g-b-4

Work through problems with immediate feedback

Concepts

In the area formula $A = \pi r^2$ , what does the variable $r$
represent?

The radius — the distance from the center of the circle to its edge.

The diameter — the distance across the circle through its center.

The circumference — the distance around the circle.

The rate at which the circle's area grows.