WorksheetsAngle Vocabulary
Total questions: 12
Worksheet time: 6mins
An angle whose measure if less than 90 degrees.
Obtuse Angle
Acute Angle
Right Angle
Adjacent Angle
Angles that are next to each other. They share a common vertex and ray (side).
Obtuse Angles
Right Angles
Adjacent Angles
Acute Angles
The amount of degrees between two line segments or rays.
Angle
Acute Angle
Ray
Vertical Angle
Two or more angles that add up to 180 degrees.
Protractor
Supplementary Angle
Vertex
Complementary Angle
A measure for angles. There are 360 degrees in a full rotation. The symbol for degrees is °
Vertex
Vertical Angle
Degrees
Ray
An angle whose measure is greater than 90 degrees.
Obtuse Angle
Supplementary Angle
Right Angle
Acute Angle
An instrument used in measuring or drawing angles. Start by lining up one line on zero degrees.
Vertex
Ray
Degrees
Protractor
A part of a line with a start point but no end point.
Vertical Angle
Protractor
Ray
Vertex
An angle that measures exactly 90 degrees.
Right Angle
Obtuse Angle
Complementary Angle
Acute Angle
Two or more angles that add up to 90 degrees.
Right Angle
Supplementary Angle
Adjacent Angle
Complementary Angle
A corner. A point where two or more line segments or rays meet.
Degrees
Vertical Angle
Ray
Vertex
Angles formed when two lines cross. They are directly across from each other and have the same measure.
Vertical Angle
Complementary Angle
Supplementary Angle
Acute Angle
