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24 August, 22:08

The radius, diameter, or circumference of a circle is given. Find the missing measures. Round to the nearest hundredth if necessary.

d = 19.4 cm, r = 2, C = 2

A. r = 38.8 cm, C = 30.47 cm

B. r = 9.7 cm, C = 60.95 cm

C. r = 9.7 cm, C = 30.47 cm

D. r = 38.8 cm, C = 60.95 cm

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Answers (2)
  1. 24 August, 22:17
    0
    C. r = 9.7 cm, C = 30.47 cm
  2. 24 August, 22:26
    0
    B

    r=9.7

    C=60.95

    Step-by-step explanation:

    Given diameter of 19.4

    r = d/2

    19.4/2

    r=9.7

    C = 2 (pi) r

    2 (pi) (9.7)

    60.95 = C
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