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Lesson: Geometry Intermediate - 23t01

Arc Length & Circumference: Practice

[Page 23 of 24]
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Task: Select the correct answer and then click Continue.

In the figure above, if Circle O has a circumference of 24, then RS + TU =

Arc RS represents , or , of the total circumference of Circle O. Since ROS forms opposite angles with TOU, TOU must also measure 45°, and arc TU is also equal to of the circle circumference. Therefore, the arc lengths together equal of 24: .

Choice (D) is correct.

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