" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= 1/2 x 80
=40
maka, jari-jari ?= 80 cm: 2= 40 cm
jadi, jari jari nya adalah 40 cm
Semoga bermanfaat:)