Angle Measurement

An obtuse angle measures..

• 90° degrees

• less than 90° degrees

• more than 90° degrees

How many quarter turns are in 270°?

• 3

• 4

• 1

Use this drawing to answer the following question: The vertex of ∠AOD is __________.

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Write the degree measure for the angle in the blank.

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Write the degree measure for each angle in the blank.

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Write the degree measure for each angle in the blank.

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For questions 7 through 10, measure the following angles using a protractor and write the degree measure in the blank. Measure the angle shown in the diagram.

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In the year 3020, during the construction of a new space station, engineers need to set up a solar panel at an angle. Which is the closest to the measure of the angle (∠ABC) at which the panel should be positioned for optimal sunlight exposure? Choose the best answer.

• 35°

• 120°

• 60°

• 30°

In the year 3020, during the construction of a lunar base, engineers need to set up a solar panel at an angle. Which is the closest to the measure of the angle (∠ABC) they should use for optimal sunlight exposure?

• 33°

• 120°

• 60°

• 10°

∠CBA is an __________ angle.

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