5. sebuah roda sepeda motor mempunyai keliling 176 cm hitunglah jari-jari roda tersebut.
tolong jawabkan sekarang Krn besok di kumpul
tolong jawabkan sekarang Krn besok di kumpul
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Keliling lingkaran = 2 x π x r
[tex]176 = 2 \times \frac{22}{7} \times r \\ \\ 176 = \frac{44}{7} \times r \\ \\ 176 \times \frac{7}{44} = r \\ \\ r = 28 \: cm[/tex]
176 = 2(22/7(R)
176 = (2(22)/7)R
176 = 44/7R
44/7R = 176
R = 176/44/7
R = 176(7)/44
R = 1.232/44
R = 28/1
R = 28 CM