Question

Sebuah tabung memiliki diameter 7 cm,tinggi 4 cm jika= n =22/7,hitunglah
A.volume tabung
B.

Answer 1

Vol tabung = Πr^t
= 22/7*3,5*3,5*4
= 154

Answer 2

R = d  :  2 = 7 : 2 = 3,5

v = πr^{2}t
  =22/7 x 3,5 x3,5 x 4
  = 11 x 3,5 x 4
  = 38,5
  = 154 cm3