5th Grade Geometry Review

What is an obtuse angle?

• An angle that is less than 90 degrees.

• An angle that is exactly 90 degrees.

• An angle that is greater than 90 degrees but less than 180 degrees.

• An angle that is greater than 180 degrees.

What is an acute angle?

• An angle that is less than 90 degrees.

• An angle that is exactly 90 degrees.

• An angle that is greater than 90 degrees but less than 180 degrees.

• An angle that is equal to 180 degrees.

What is the sum of angles in a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

Which angle has exactly 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

What term best defines these lines?

• Intersecting lines

• Perpendicular lines

• Parallel lines

• Skew lines

What is a reflex angle?

• An angle that is less than 90 degrees.

• An angle that is exactly 180 degrees.

• An angle that is greater than 180 degrees but less than 360 degrees.

• An angle that is greater than 90 degrees but less than 180 degrees.

What is the difference between acute and obtuse angles?

• Acute angles are less than 90 degrees, while obtuse angles are greater than 90 degrees.

• Acute angles are greater than 90 degrees, while obtuse angles are less than 90 degrees.

• Acute angles are exactly 90 degrees, while obtuse angles are less than 90 degrees.

• Acute angles and obtuse angles are both less than 90 degrees.

What are parallel lines?

• Lines that never intersect and are always the same distance apart.

• Lines that intersect at a right angle.

• Lines that meet at a point.

• Lines that are curved and do not follow a straight path.

What kind of angle is this?

• Acute angle

• Obtuse angle

• Right angle

• Reflex angle

What are perpendicular lines?

• Lines that intersect at a right angle (90 degrees).

• Lines that run parallel to each other.

• Lines that meet at an acute angle.

• Lines that are completely separate and do not meet.