Jawabanmu

2014-04-06T16:45:57+07:00
K Lingkaran = 2πr = 2×3,14×3 = 18,84 cm
P tali  = 3R+Keliling lingkaran
         = 3(3) +18,84 = 27,84 cm
1 4 1
2014-04-06T16:49:08+07:00
( 5 x D ) + ( 1 x keliling lingkaran) ( 5 x 6 ) + ( 3,14 x 6) 30 + 18,84 48 , 84