Geometry | Unit 7 | Lesson 13: Using Radians | Practice Problems

• 5 units

• 5 units

Find the measure (in radians) of a central angle of an arc with arc length 4 units and radius 3 units.

• 5 units

A circle has radius 10 units. For each angle measure, find the area of a sector of this circle with that central angle.

• 1 radian

• 2 radians

Each circle has a shaded sector with a central angle measured in radians. What fraction of the circle is each sector?

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Find the radian measure of each angle.

• 30 degrees

• 45 degrees

• 50 degrees

Calculate the radian measure of a 225 degree angle. Use any method you like, including sketching in the circle diagram provided.

Andre and Diego are each saving money. They each hope to save 500 dollars. They are tracking their progress on the circles in the image.

Clare missed class and Jada is teaching her how to construct the circumscribed circle of a triangle. Here are the instructions Jada wrote.