Basic Geometry & Parallel and Perpendicular Lines

What is this?

• Angle Z

• Line Segment Z

• Point Z

• Ray Z

What is this called?

• Point AB

• Line segment AB

• Line AB

• Ray AB

Name it!

• Line segment GR

• Line GR

• Point GR

• Ray GR

What is this called?

• Line segment NP

• Ray NP

• Barney

• Angle NP

• Right

• Acute

• Obtuse

• Straight

Answer explanation

An obtuse angle is greater than a right angle (90 degrees).

• Right

• Acute

• Obtuse

• Straight

Answer explanation

A straight angle is a line, 180 degrees.

• Right

• Acute

• Obtuse

• Straight

Answer explanation

An acute angle is less than a right angle.

• Right

• Acute

• Obtuse

• Straight

Answer explanation

A right angle fits "right" into the corner of a square. It measures 90 degrees.

What do we call an angle that forms a square corner?

• right angle

• acute angle

• obtuse angle

• Jayden

What type of angle do perpendicular lines always form?

• right angles

• acute angles

• obtuse angles

• straight angles

Answer explanation

Each pair of perpendicular lines creates right angles, which are 90 degrees.