Spiral Revision

<CDE and <EDF are supplementary angles. If m<CDE = (2x+6) and m<FDE = (x - 9) What it is the value of x?

• x = 48

• x = 52

• x = 61

• x = 69

An angle that is greater than 0 but smaller than 90 is

• Acute angle

• Right Angle

• Obtuse Angle

• Reflex Angle

An angle that is 90 is

• Straight angle

• Right Angle

• Obtuse Angle

• Reflex Angle

An angle that is greater than 90 but smaller than 180 is

• Straight angle

• Right Angle

• Obtuse Angle

• Reflex Angle

An angle that is 180 is

• Straight angle

• Right Angle

• Obtuse Angle

• Reflex Angle

An angle that is greater than 180 but smaller than 360

• Straight angle

• Right Angle

• Obtuse Angle

• Reflex Angle

______ is a part of a line starts at an endpoint and extends forever in one direction.

• Ray

• Angle

• Vertex

• Adjacent angles

______ is formed by two line segments or rays that share the same endpoint.

• Ray

• Angle

• Vertex

• Adjacent angles

______ of an angle is the common endpoint of the two rays that form an angle.

• Ray

• Angle

• Vertex

• Adjacent angles

______ are two angles in the same plane with a common vertex and a common side, but no common interior points.

• Ray

• Angle

• Vertex

• Adjacent angles