Study

Radius and Diameter

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  • What is the radius of a circle with a diameter of 6cm?
    3cm
  • Name the diameter
    AB
  • What is the radius of a circle with a diameter of 30cm?
    15cm
  • What is the length of the diameter?
    8 cm
  • What is the radius of a circle with a diameter of 45cm?
    22.5 cm
  • What is the radius of a circle with a diameter of 16cm?
    8cm
  • What is the diameter of a circle with a radius of 4cm?
    8 cm
  • Name a radius.
    OC OB or OA
  • What is the length of the radius?
    25 cm
  • True or false the length of a radius is half the size of the diameter.
    TRUE
  • What color is the radius?
    red
  • Is line DE a diameter?
    Yes
  • What is the length of the radius?
    4 cm
  • What is the diameter of a circle with a radius of 3.5cm?
    7cm
  • Name a circle found in real-life (in English)
  • What is the radius of a circle with a diameter of 74cm?
    37 cm
  • Is line CE a radius?
    Yes
  • What is the radius of a circle with a diameter of 15cm?
    7.5 cm
  • What is the length of the radius?
    5 units
  • What is the diameter of a circle with a radius of 30cm?
    60 cm
  • What color is the diameter?
    blue