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luas lingkaran=22/7×14×14=616 cm
luas lingkaran=22/7×14×14=616 cm
luas gabungan=784+616+616=2,016 cm
=4*phi*r2 =s*s=28*28=784
=4*22/7*14*14
=4*616cm
=2464cm2
l1+l2=2464+784=3248