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Chapter 7 VOCAB

Vocabulary learned in Chapter 7

TermDefinition
acute angle An angle that measures between 0 and 90 degrees
acute triangle A triangle with three acute angles
adjacent angles Angles that share a common vertex, share a side and do not overlap.
complementary angles Two angles that add to 90 degrees
congruent Same size and shape
congruent segments Segments that are the same length
equilateral triangle A triangle with three equal sides
isosceles triangle A triangle with two equal sides
obtuse angle An angle that measures between 90 and 180 degrees
obtuse triangle A triangle with ONE obtuse angle
right angle An angle that measures exactly 90 degrees
right triangle A triangle with ONE right angle
scalene triangle A triangle with three sides of different length
straight angle An angle that measures exactly 180 degrees
supplementary angles Two angles that add to 180 degrees
Triangle A polygon with three sides
vertical angles Opposite angles formed by two intersecting lines
protractor tool used to measure degrees
perpendicular Two lines that form a right angle
vertex Where the two rays of an angle meet
reflex angle An angle more than 180 degrees
Created by: kgierman
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