Understanding Angles in Geometry

What is the angle of a straight line?

• 0°

• 360°

• 90°

• 180°

Which of the following is a line segment?

• A line with one arrow

• A circle

• A line with endpoints

• A line with two arrows

What is the common starting point of an angle called?

• Vertex

• Apex

• Edge

• Base

How can angles be measured?

• Inches

• Degrees

• Meters

• Liters

What is a right angle?

• An angle equal to 180°

• An angle less than 90°

• An angle equal to 90°

• An angle more than 90°

Which angle is less than 90°?

• Obtuse

• Right

• Acute

• Straight

What type of angle is more than 90° but less than 180°?

• Acute

• Right

• Straight

• Obtuse

What is the angle measure of a semicircle?

• 90°

• 180°

• 270°

• 360°

How many right angles make up a straight line?

• Four

• Two

• One

• Three

What is the angle measure of a full circle?

• 90°

• 180°

• 270°

• 360°