Illustrative Mathematics - Geometry - Unit 7 - Lesson 12
By Formative Library
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Last updated 2 months ago
7 Questions
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1.
Match each diagram showing a sector with the measure of its central angle in radians.
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\frac{3\pi}{2}
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\pi
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\frac{\pi}{3}
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\frac{\pi}{2}
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2\pi
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\frac{2\pi}{3}
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2.
In the circle, sketch a central angle that measures \frac{2\pi}{3} radians.
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3.
Angle AOC has a measure of \frac{5\pi}{6} radians. The length of arc AB is 2\pi units and the radius is 12 units.
What is the area of sector BOC?
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4.
Lin thinks that the central angle in circle A is congruent to the central angle in circle B.
Do you agree with Lin? Show or explain your reasoning.
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5.
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6.
Match each arc length and radius with the measure of the central angle that defines the arc.
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angle: 30 degrees
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angle: 72 degrees
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angle: 135 degrees
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angle: 180 degrees
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7.
Quadrilateral ABCD is shown with the given angle measures.
Select all true statements.
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This lesson is from Illustrative Mathematics. Geometry, Unit 7, Lesson 12. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/7/12/preparation.html ; accessed 29/July/2021.
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