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Radius and Diameter

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  • What is the total CIRCUMFERENCE?
    about 36in
  • What is the radius of a circle with a diameter of 16cm?
    8cm
  • What is the name of this circle?
    Circle O
  • What is the length of the radius?
    5 units
  • What is the length of the radius?
    4 cm
  • What is the diameter of a circle with a radius of 3.5cm?
    7cm
  • What is the radius of a circle with a diameter of 74cm?
    37 cm
  • How many radii are in this circle?
    3
  • A circle is drawn on the floor of the gymnasium. A student stands in the center of the circle and holds one end of a rope. A different student stands on the outside edge of the circle and holds the other end of the rope. What is the rope?
    a radius
  • What is the length of the radius?
    25 cm
  • What color is the diameter?
    blue
  • What is the length of the diameter?
    8 cm
  • A hollow tree trunk was used as a home for the main character of a book. The trunk had a diameter of 12 feet. What is the tree's radius?
    6 ft
  • What is the diameter of a circle with a radius of 30cm?
    60 cm
  • What is the radius of a circle with a diameter of 15cm?
    7.5 cm
  • Name the diameter
    AB
  • What is the radius of a circle with a diameter of 45cm?
    22.5 cm
  • True or false the length of a radius is half the size of the diameter.
    TRUE
  • Name a chord.
    PQ or AB
  • What is the CIRCUMFERENCE???
    about 18 ft.
  • What is the radius of a circle with a diameter of 6cm?
    3cm
  • What is the diameter of a circle with a radius of 4cm?
    8 cm
  • What is the radius of a circle with a diameter of 30cm?
    15cm
  • Name a radius.
    OC OB or OA
  • Namer this circle
    Circle O
  • What color is the radius?
    red