In this lesson we’ll look at how to find the measures of angles, in degrees, algebraically. An angle is a fraction of a circle, the turn of the angle is measured in degrees (or radians).
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In this lesson we’ll look at how to identify adjacent angles in a diagram and how to form angle names. Adjacent angles share a common vertex and one common ray (or side). If two angles don’t share a vertex or side, they can’t be adjacent.
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In this lesson we’ll look at basic geometric figures like points, lines, line segments, rays, and angles, and we’ll talk about how to name them. There are very often multiple ways to name the same geometric figure. Angles, especially, are named in many different ways, so we have to be careful that we can recognize each of them.
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