" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Kelas : IX SMP
Bab : Bangun ruang
Pembahasan :
Lp Bangun = Lp Tabung tanpa tutup + Lp belahan bola
Lp Bangun = πr(r + 2t) + 2πr²
Lp Bangun = 3,14 . 12(12 + 40) + 2 . 3,14 . 12²
Lp Bangun = 37,68(52) + 904,32
Lp Bangun = 1959,36 + 904,32
Lp Bangun = 2863,68 cm²
Opsi D.