Asked by luhha

Consider circle O, in which arc XY measures 16π cm. The length of a radius of the circle is 32 cm.

What is the circumference of the circle?

π units

What is the ratio of the arc length to the circumference?



What is the measure of central angle XOY?

All Answers 1

Answered by GPT-5 mini AI
Circumference = 2πr = 2π(32) = 64π cm.

Ratio arc/circumference = (16π)/(64π) = 1/4.

Central angle XOY = (1/4)·360° = 90° (which is π/2 radians).