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d=37,68/3,14=12
r = 6 cm
s=10 cm
luas selimut =πrs
luas selimut =3,14 * 6 *10 =188,4 cm²
37,68= 2. 3,14.r
r= 37,68/ 6,28= 6
s= √t2+r2
√64+36
√100= 10
ls= π.r.s
= 3,14. 6. 10
=188,4 cm