Understand how to measure acute, right, obtuse, and straight angles.
The student will measure right, acute, obtuse, and straight angles.
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Recognize that rectangles and squares have special types of angles called right angles. (a)
Identify examples of points, lines, line segments, rays, and angles.
Describe endpoints and vertices as they relate to lines, line segments, rays, and angles.
Draw representations of points, line segments, rays, angles, and lines, using a ruler or straightedge.
An angle is formed by two rays that share a common endpoint called the vertex. Angles are found wherever lines or line segments intersect.