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24 April, 06:49

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

r = 13.1 km, d = ?, C = ?

Select one:

a. d = 26.2 km, C = 82.31 km

b. d = 26.2 km, C = 41.15 km

c. d = 6.55 km, C = 82.31 km

d. d = 6.55 km, C = 41.15 km

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Answers (1)
  1. 24 April, 07:40
    0
    C = 2 pi r

    C = 2 (13.1) pi = 82.31 km

    d = 2r = 2 (13.1) = 26.2 km

    answer

    a. d = 26.2 km, C = 82.31 km
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