" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
[tex] \pi x20² x 30
37,680 cm³
maaf kalau salah
r=20
t=30
ditanya= Lp?
jawab = Lp=π×r(2×t+r)
=3,14×20(2×30+20)
=62,8×80
= 5024 cm²