Question

Tolong bantu ya... pakai rumusnya juga

Answer 1

28 dIket
r=5cm
Ls=65π
Ditanya V..??
Ls=πrs
65π=π5s
65=5πs⇒π nya di coret
s=65/5
s=13 cm
t=√s²-r²
  =√13²-5²
  =√169-25
  =√144
t=√144
t=12 cm
V=1/3×π×r²×t
  =1/3×π×5²×12
  =100πcm³
29. diket
r=6cm
V=4/3×π×r³
  =4/3×π×6³
  =288πcm³