In the figure above, circle O has a radius of 8, and angle XOY measures π radians. What is the measure of minor arc XY ?
A. π
B. π
C. 5π
D. 16π
Answer:B
In the figure above, circle O has a radius of 8, and angle XOY measures π radians. What is the measure of minor arc XY ?
A. π B. π C. 5π D. 16π
Explanation: B Because the question wants arc length and gives you the measure of the central angle in radians, you can use the formula s = rθ to find the arc length: s = (8) = π, which reduces to π, which is (B).