Jawabanmu

2014-06-09T19:28:48+07:00
Rumus:3d+kell.lingkaran(πd)
=3*14+(22/7*14)
=42+44=86
semoga membantu
2014-06-09T20:23:10+07:00
= ( 3 x 14) + ( 22/7 x 14 )
= 42 + 44
= 86