no.3 tentukan nilai c...? no.4 tentukan nilai k...? m...? n...?

3.
c/12 = 15/20
c/12 = 3/4
c = 3/4 x 12
c = 9cm

4.
k/12 = 6/4
k/12 = 3/2
k = 3/2 x 12
k = 18 cm

m/6 = 3/2
m = 3/2 x 6
m = 9 cm

n/15 = 2/3
n = 2/3 x 15
n = 10 cm

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