" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=
= 20
L= . r.r
= 3,14. 20.20
= 3,14.400
= 1256
Semoga membantu...
Tandai yang terbaik...
Maka;
Luas = π x r x r = 3,14 x 20 cm x 20 cm = 1.256 cm²