Jawabanmu

2014-04-14T15:54:55+07:00
(10×2×6)+(3.14×10×2)=120+62.8=182.8
2014-04-14T15:56:31+07:00
P = 6(2r) + K lingkaran
p = 12 x 10 + ( 2 x 3,14 x 10 )
p = 120 + 62,8
p = 182,8 cm