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16 March, 14:59

A circle has an area of 36π square centimeters. What is the diameter?

a.

6 cm

c.

12 cm

b.

1,296π cm

d.

12π cm

+2
Answers (1)
  1. 16 March, 15:16
    0
    ARea = 36pi = pi r^2

    So r^2 = 36pi / pi = 36

    radius r = 6

    Diameter = 2*6 = 12 cm
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