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4 April, 09:01

A small pizza has a diameter of 21 cm.

What is the approximate circumference of the pizza? Use pie = 3.14.

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Answers (2)
  1. 4 April, 09:24
    0
    Circumference = pi * diameter = 3.14 * 21 cm = 65.94 cm. So the answer is 65.94 cm and this is correct
  2. 4 April, 09:25
    0
    The circumference of any circle is (pi) x (the diameter of the circle).

    The problem gives you both numbers, so all you have to do is multiply them.

    Circumference = (pi) x (diameter) = (3.14) x (21cm) = 65.94 cm.
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