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Math Vocabulary
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A 90° angle formed by two perpendicular lines
Right angle
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A triangle that contains 3 acute angles
Acute triangle
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A line segment drawn from the center of the circle to a point on the circle
Radius
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Two angles the sum of whose measures is 90°
Complementary
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An angle greater than 0° and less than 90°
Acute
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A triangle with one right angle
Right triangle
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A line joining any two points on a circle
Chord
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A triangle with no congruent sides
Scalene
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The length of or distance around a circle. C=2πr
Circumference
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The point at which a graph of a relation intercepts the y-axis
Y-intercept
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