FL BEST grade 4 ch 12

Classify each degree as right, straight, acute, obtuse, or reflex

• 13*

• Acute

• 180*

• Right

• 231*

• Reflex

• 92*

• Straight

• 90*

• Obtuse

The clock shows the time that Candy leaves for a car ride. She rides for 1/2 hour. How many degrees will the clock turn while she is on her ride?

• 270*

• 180*

• 90*

• 360*

This umbrella is cut into 8 equal parts. What is the measure of the yellow and purple part of the umbrella?

An angle is shown. What is the measure, in degrees, of the angle? (The protractor is upside down for a reason.)

• 0*

• 225*

• 235*

• 220*

Match the following

• acute angle

• 
• right angle

• 
• Obtuse angle

• 

Select all the triangles that have an obtuse angle.

• 
• 
• 
• 
• 

Which triangle has 3 acute angles?

• 
• 
• 
• 

What is the measurement of the unknown angle (x)?

• 40°

• 100°

• 180°

• 50°

Match the following

• 2/4

• 288*

• 3/10

• 180*

• 4/5

• 108*

What is measure ∠XYZ?

• 80°

• 24°

• 34°

• 56°