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Lesson 28

vocab

TermDefinition
Adjacent angles two non-overlapping angles that share a vertex and a side
Complementary two angles whose measures sum to 90°
Straight angle an angle that measures 180°; the sides form a straight line
supplementary two angles whose measures sum to 180°
Vertical angles opposite angles formed when two lines intersect; have the same measure
Acute angle an angle that measures more than 0° but less than 90°
Angle a geometric shape formed by two rays, lines, or line segments that meet at a common point
obtuse angle an angle that measures more than 90° but less than 180°
Vertex the point where two rays, lines, or line segments meet to form an angle
Extend to continue in the same direction
Created by: user-1856895
 

 



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