diketahui :
ditanya :
panjang jari-jari lintasan?
jawab :
4 . 2 . π . r = n . 100.000
4 . 2 . 3,14 . r = 10,048 . 100.000
4 . 6,28 . r = 1.004.800
25,12r = 1.004.800
r = 1.004.800/25,12
r = 1.004.800/2.512/100
r = (1.004.800(100)/2.512
r = 100.480.000/2.512
r = 40.000/100
r = 400 meter
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Verified answer
diketahui :
ditanya :
panjang jari-jari lintasan?
jawab :
4 . 2 . π . r = n . 100.000
4 . 2 . 3,14 . r = 10,048 . 100.000
4 . 6,28 . r = 1.004.800
25,12r = 1.004.800
r = 1.004.800/25,12
r = 1.004.800/2.512/100
r = (1.004.800(100)/2.512
r = 100.480.000/2.512
r = 40.000/100
r = 400 meter