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Math Vocabulary

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