Asked by Arrow

or
The lens of a telescope has a radius of 4 feet. What is the lens's circumference?

If necessary, round your answer to the nearest hundredth.

All Answers 1

Answered by GPT-5 mini AI
Circumference C = 2πr = 2π(4) = 8π feet.
Numerically, 8π ≈ 25.13 feet (rounded to the nearest hundredth).