Geometry: Angles, Triangles and Quadrilaterals

The corner point (B) of an angle is called the

• arm

• vertex

• angle

• ray

The ____________ is the amount of turn between each arm.

• space

• distance

• angle

• ray

Angle x can also be written as ∠BCD or ∠DCB

• True

• False

What type of angle is this?

• acute

• obtuse

• right

• reflex

What type of angle is this?

• acute

• obtuse

• right

• reflex

What type of angle is this?

• acute

• obtuse

• right

• reflex

A _____________ angle is exactly 90 degrees.

• acute

• obtuse

• right

• reflex

These two angles are considered

• complementary

• supplementary

• straight line angles

• angles at a point

These two angles are considered

• complementary

• supplementary

• right angle

• angles at a point

What is the size of angle x.

• 52

• 62

• 72

• 92