Ls :1100cm,t: 25cm diameter tabung :? jawab : Ls=.......... 1100=.......=r ..................=r jadi, d = ........cm

Question

Matematika Diposting : 2017-09-20 Diupdate : 2017-09-20 firdaxds1

Pertanyaan

Ls :1100cm,t: 25cm
diameter tabung :?
jawab :
Ls=..........
1100=.......=r
..................=r
jadi, d = ........cm

Answer 1

Ls=2Πrt
1100=2.3.14.r. 25cm
1100=157
r=1100÷157
=7cm
d= 14cm