point, a dot, ray, part of a line that has an endpoint and extends on the other side, line, extends on both sides, angle, formed by joining two rays, segment, part of a line that has two endpoints, degree, measurement of an angle, parallel, lines that will never meet, intersecting, lines that cross at a point, perpendicular, lines that form a right angle, obtuse, angles greater than 90o but less than 180o, straight, angles that are exactly 180o, right, angles that are exactly 90o, acute, angles that are less than 90o

Geometry

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