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6 November, 15:57

1) What is the exact circumference of a circle with a radius of 15 cm?

2) What is the exact circumference of a circle with a radius of 16?

A 60

B 30

C 15

D 10

+2
Answers (1)
  1. 6 November, 18:52
    0
    1) What is the exact circumference of a circle with a radius of 15 cm?

    The circumference of a circle is calculated by the equation:

    C = 2πr = 2π (15 cm) = 30π cm

    2) What is the exact circumference of a circle with a radius of 16?

    The circumference of a circle is calculated by the equation:

    C = 2πr = 2π (16 cm) = 32π cm
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