" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Lp tabung = 2πrt
= 2×3,14×10×30
= 1884
Lp bola= 4πr²
=4×3,14×10×10
=1256
jadi 1884 + 1256 = 3.140 cm² (D)
semoga membantu :)