Skip to main contentSkip to solution

The area of a circle is numerically equal to its circumference. Find the diameter of the circle.

Solution

Correct Option: 2

Area = Circumference

πr2=2πr\pi r^2 = 2\pi r

r=2r = 2

Diameter = 2r=42r = 4 units.

Keyboard Shortcuts

  • Left arrow: Previous question
  • Right arrow: Next question
  • S key: Jump to solution
  • Q key: Jump to question