" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
176 = 22/7 × r^2 × 14
176 = 44 × r^2
r^2 = 176/ 44
r^2 = 4
r = akar dr 4 = 2
k. lingkaran = 2× phi× r
k = 2× 3,14 ×2
k= 12,56 cm