Angles - Grade 4 (Mod. 10)

The measure of Angle B is 40°. What fraction of a complete circle is the measure of Angle B?

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Which statement about angles is true?

• An angle is formed by three rays that do not have the same endpoint.

• An angle that turns through 180/360 of a circle has a measure of 360 degrees.

• An angle that turns through eight 1-degree angles has a measure of 8 degrees.

• An angle measure is equal to the difference of the length of the two rays that form the angle

A right angle is formed by two line segments. What is the measure of the angle formed by the two line segments?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Which measurement best represents the measure of the angle below? (You do NOT need a protractor to answer this!!)

• 42 º

• 90 º

• 108 º

• 360 º

What is the measurement of the angle below? (You do NOT need a protractor to answer this question!!)

• 135 º

• 90 º

• 27 º

• 35 º

What is the measure of angle DCE?

• 110 º

• 40 º

• 90º

• 270º

When the hands of a clock are at 8 pm and 2 pm, how many degrees are in the angle?

• 45 degrees

• 60 degrees

• 90 degrees

• 180 degrees

The measure of Angle STV is 102 degrees. What is the measure of Angle UTV?

• 16°

• 26°

• 86°

• 90°

The sum of Angle PRS and Angle SRT is 180 degrees. What is the measure of Angle PRS?

• 22°

• 68°

• 112°

• 180°