" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
π × r²
= 3,14 × 10 × 10
=314
= 3,14
luas = . = 3,14 . 10 . 10 = 314
keliling = 2..r = 2 . 3,14 . 10 = 6,28 . 10 = 62,8 cm