" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
78,5=3,14×r²
r²=78,5 bagi 3,14
r²=25
r=√25
r=5
78,5 = 3,14 x r²
r² = 78,5 / 3,14
r² = 25
r = √25
r = 5