Area of a Circle and a Sector Answers

Consider circle T with radius 24 in. and θ = radians.

Arc CD is of the circumference of a circle. What is the radian measure of the central angle?

In circle M, diameters JL and HK each measure 16 centimeters.

Circle Q has a circumference of approximately 50 centimeters.

An arc on a circle measures 85°. The measure of the central angle, in radians, is within which range?

Circle O has a circumference of approximately 44 in.

Minor arc KL measures 135°.

Arc AB is of the circumference of a circle. What is the radian measure of the central angle?

In each circle below, a 50° angle with a vertex at the center of the circle is drawn. How are minor arc lengths CD and EF related?

Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the circumference of the smaller circle, with radius OA.