Lines n Angles.

These lines are

• Perpendicular

• Straight

• Obtuse

• Parallel

Estimate the angle.

• 120°

• 55°

• 45°

• 100°

This is a

• Write angle.

• Left angle.

• Square angle.

• Right angle.

These lines are

• Intersecting

• Perpendicular

• Parallel

• Right angles

This is

• A right angle

• An acute angle

• A really cute angle

• An obtuse angle

Complementary angles are

• Two angles that compliment each other.

• Angles that compliment your shoes.

• Two angles whose sum is 90°

• Two angles who sum is unknown.

Estimate the angle

• 170°

• 30°

• 150°

• 180°

What kind of triangle is this?

• A cool triangle.

• An ABC triangle.

• A triangle.

• A right triangle.

Perpendicular lines

• Intersect where ever they want.

• Intersect to make a 90° angle.

• Never touch.

• Are parallel.

An angle measuring 140° is

• acute

• obtuse

• straight

• right