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3 April, 06:40

Use the circle to answer the questions.

A circle with radius 5.4 centimeters.

The diameter is

cm.

The circumference in terms of Pi is

Using 3.14 for Pi, the approximate circumference of the circle is

cm.

+4
Answers (1)
  1. 3 April, 07:09
    0
    C = 10 π cm

    Step-by-step explanation:

    Diameter is 2 x radius = 2*5.4 = 10.8 cm

    radius r = 5 cm

    diameter d = 10 cm

    circumference C = 31.4 cm

    area A = 78.5 cm2

    In Terms of Pi π

    circumference C = 10 π cm

    area A = 25 π cm²

    Formulas: Circle Formulas in terms of Pi π, radius r, and diameter d

    Radius and Diameter:

    r = d/2

    d = 2r

    Area of a circle:

    A = πr2 = πd2/4

    Circumference of a circle:

    C = 2πr = πd
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