Radius, Circumference, and Area of Circles
Geometry, and more...
 
1. EASY

What is the diameter of sphere with radius \(1 km\)?

  1. \(3 km\)
  2. \(4 km\)
  3. \(0.5 km\)
  4. \(2 km\)
  5. \(1 km\)
 
2. EASY

A ball has a radius of \(3 cm\). What is the circumference of the ball?

  1. 16.77
  2. 19.28
  3. 15.63
  4. 18.85
  5. 18.55
 
3. EASY

What is the diameter of this circle?

  • 1
  • 2
  • 3
  • 6
  • 9
  •  
    4. EASY

    What is the area of a circle with circumference \(56 m\)?

    1. \(250 cm^2\)
    2. \(250 m^2\)
    3. \(260 cm^2\)
    4. \(240 cm^2\)
    5. \(255 m^2\)