Back to Circumference and area — Problem 5 · Task Set 4

Circumference and Area of Circles

Grade 10·22 problems·~30 min·ACT Math·topic·act-geo-circ-circumarea
Work through problems with immediate feedback
A

Fluency Practice

1.

A circle has radius 9 cm. What is the circumference? Round to the nearest tenth. (Use π3.14159\pi \approx 3.14159.)