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Geometry · Circles

Circle diameter 6

3

Step by step

  1. r = 3

    Everything about a circle follows from its radius.

  2. d = 2r = 6

    Diameter.

  3. C = 2\pi r = 6 \pi \approx 18.850

    Circumference.

  4. A = \pi r^2 = 9 \pi \approx 28.274

    Area.

Reveal the answer
C = 6 \pi,\quad A = 9 \pi