c)
R = 7m
D = 2R = 7 × 2 = 14m
d)
R = D ÷ 2 = 24 ÷ 2 = 12km
D = 24kn
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c)
R = 7m
D = 2R = 7 × 2 = 14m
d)
R = D ÷ 2 = 24 ÷ 2 = 12km
D = 24kn