Study

Circles!!

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  • What is the definition of area?
    The space that fills a shape
  • The distance around the circle is called the...?
    Circumference
  • The circumference is 21.98 ft, what is the diameter?
    7 ft
  • If the circumference of the circle is 18.84 meters, what is the radius?
    3 meters
  • What is the definition of circumference?
    The distance around the circle
  • The radius is 10 m, what is the area?
    314 m
  • How do you find the radius if you are given the diameter?
    divide it in half
  • How do you find the diameter if you are given the radius?
    multiply times 2
  • If the circumference is 62.8 m, what is the area?
    314 square meters
  • If the diameter is 23.5, what is the radius?
    11.75
  • If the diameter is 17 mm, what is the radius?
    8.5 mm
  • If the diameter is 6 in, what is the circumference?
    18.84 in
  • The radius is 14 ft, what is the area?
    615.44 square feet
  • What is the definition of radius?
    the distance from the center to the edge of the circle
  • If the diameter is 86, what is the area?
    5805.86
  • What is the formula for the circumference?
    C=2 x pi x r or C=d x pi
  • What is the diameter?
    The distance across the whole circle through the center
  • What is the formula for area?
    pi x r^2 or pi x r x r