Lines and Angles

What term best defines these lines?

• parallel lines

• straight lines

• perpendicular lines

• intersecting lines

Which angle has exactly 90 degrees?

• acute angle

• right angle

• obtuse angle

• reflex angle

Find the measure of the missing angle.

• 180 degrees

• 32 degrees

• 58 degrees

• 90 degrees

Name this triangle for its sides and agles.

• acute scalene

• right isosceles

• acute isosceles

• right scalene

What does the image show?

• a line

• a line segment

• a ray

• a point

a line that joins 2 vertices

• angle

• side

• vertex

Name this for its angles and sides.

• obtuse isosceles

• acute scalene

• acute isosceles

• obtuse scalene

Which type of angle is this?

• Acute

• Right

• Obtuse

• Straight

Two lines that run the same direction that will never cross.

• Perpendicular

• Parallel

• Obtuse

• Acute

Two lines that meet to form a 90 degree angle.

• Perpendicular

• Parallel

• Line

• Obtuse