types of angles a right angle has a measure of 90 degrees. an acute angle has a measure of less than...
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Types of AnglesA right angle has a measure of 90 degrees.
An acute angle has a measure of less than 90 degrees.
An obtuse angle has a measure greater than 90 degrees.
A straight line has a measure of 180 degrees.
.Ray
Vertex
Parts of an Angle
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Other AnglesComplimentary Angles- two angles whose measurements add up to 90 degrees.
Supplementary Angles- two angles whose measurements add up to 180 degrees.
Vertical angles- Two angles, with the same measurement, that are created when two lines intersect.
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DegreesAngles are measured in degrees. And can be written various ways.
A
B C
This angle can be written as < B since B is the vertex point or <ABC, a format that uses all three points in the angle for clarification.
All shapes have a degree measure. A circle measures 360 degrees.
A triangle has a measure of 180°. All the angle measures in the triangle add up to 180.
90°90°
90°90°
80°
65° 35°
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Reflex Angle- an angle with a degree greater than 180.
Degrees Cont.
Adjacent angles- Angles that are next to each other. They have a common vertex and common side, but no other overlap.