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12 August, 07:09

1. Which is the diameter of a circle with a circumference of 15 cm?

A. 7.5/π cm

B. 15π cm

C. 15/π cm

D. 30π cm

2. Which statement is true about the circumference of a circle?

A. It is about twice the radius.

B. It is about half the diameter.

C. It is about three times the radius.

D. It is about three times the diameter.

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Answers (2)
  1. 12 August, 09:59
    0
    The first one is 15/pi

    Step-by-step explanation:

    Because circumference/diameter is pi so is circumference is 15 cm then 15/d=pi so d=15/pi
  2. 12 August, 10:09
    0
    Number 1 is C

    number 2 is D
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