Circumference and Arc Length Answers

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

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

Circle O has a circumference of approximately 44 in.

An arc on a circle measures 125°. The measure of the central angle, in radians, is within which range?

In the diagram below, Θ is measured in radians. Which equation represents the relationship between the radius, r, and arc length, s?

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.

Circle Q has a circumference of approximately 50 centimeters.

Circle O has a circumference of approximately 250π ft.

Minor arc KL measures 135°.

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

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

Circle P has a circumference of approximately 75 inches.

Major arc CBD measures 300°.

Two circles are shown in the diagram.Since all circles are similar, a proportion can be set up using the circumference and diameter of each circle. Substitute the values d1 = 1, C1 = π, and d2 = 2r into the proportion.Which shows how to correctly solve for C2, the circumference of any circle with radius r?