Protractor to Measure Angles in Whole-Number Degrees

What is a right angle?

• Ana angle that measures more than 90 degrees.
• An angle that measures less than 90 degrees.
• An angle that measures exactly 90 degrees.
• An angle that measures 180 degrees. 

What is an "acute" angle?

• An angle that measures 180 degrees.
• An angle that measures 90 degrees.
• An angle that measures more than 90 degrees.
• An angle that measures less than 90 degrees.

A figure is shown. Which two of the given line segments appear to be parallel?

• Line segments MN and NP
• Line segments LM and NP
• Line segments KL and LM
• Line segments JK and JP

Ms. Yokoshima shows her students a set of triangles.  How many triangles in the set are obtuse?

• 3 triangles     
• 1 triangle
• 2 triangles     
• . 4 triangles

Which statement below is NOT true about the two triangles?

• Both triangles are right triangles.
• Neither triangle is an obtuse triangle.
• Both triangles have acute angles.
• One triangle is an acute triangle and the other is a right triangle.

^{_{What is the measure of the following angle?}} 

• 120 degrees.
• 175 degrees.
• 60 degrees.
• 10 degrees.

_{What is the measure of the following angle?}  

• 21 degrees.
• 34 degrees.
• 70 degrees.
• 172 degrees. 

_{What is the measure of the following angle?}

• 78 degrees.
• 103 degrees.
• 190 degrees.
• 58 degrees. 

_{What is the measure of the angle?}

• 110 degrees. 
• 140 degrees.
• 150 degrees.
• 170 degrees. 

What is the measurement of the angle?

• 163 degrees
• 22 degrees
• 38 degrees
• 158 degrees