" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Bab Lingkaran
Diameter = 42 cm
Jari-jari = 1/2 diameter = 21 cm
Luas = πr^2
Luas = 22/7 x 21 x 21
Luas = 22 x 3 x 21
Luas = 1386 cm^2