Jawabanmu

2014-04-22T16:43:14+07:00
Tali=Kll lingkaran+6r=22/7×28+6×14=88+84=172 semoga membantu^^
2014-04-22T17:07:06+07:00
= 4.2.r + k lingkaran
= 8r + 2πr
= 8.14 + 2. 22/7.14
= 112 + 88
= 200 cm