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Module 1. Mathematics

The area of a circle whose circumference is given as 12cm is approximately

  • 3.8 cm^2.
  • 11.3 cm^2.
  • 38 cm^2.

Explanation

From circumference C = 2(pi)r, the radius is 12/(2pi) = 1.91 cm. The area is (pi)r^2 = pi x 1.91^2, which is approximately 11.3 cm2.

ta2x asking:

how to solve? I get 36cm2

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