What is a Central Angle? A central angle is an angle with its vertex at the center of the circle and its sides are the radii of the circle. What is the relationship between central angles and their arcs? The measure of a central angle is equal to the measure of its intercepted arc. ...
A circle has a radius of 4 inches. Find the length of the arc intercepted by a central angle of 240°, as shown in Figure. 相关知识点: 试题来源: 解析 16.76 inches. 反馈 收藏
Given that a circle has a radius of 18.6 units. {eq}\displaystyle R = 18.6 ~units {/eq} Let the central angle of the given circle is \theta. So...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a questio...