Jawabanmu

2014-09-11T20:41:23+07:00
1. keliling : 3,5 + [1/2 X π X 7] + 3,5 + 8 + 14 + 8 = 3,5 +11 +3,5 +8 +14 + 8 = 48 cm
2. keliling : 70 +100+ [1/2 X π X 70] +100 = 170 + 110 +100= 380 cm
2014-09-11T21:44:07+07:00