" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
28,26 = 3,14 × r²
r² = 9
r = √9
r = 3 cm
d = 6 cm
Keliling = πd
= 3,14 × 6
= 18,84 cm
diameter = √luas : π
= √28,26 : 3,14
= √9 cm
= 3 cm
diameter = 3 x 2
= 6 cm