" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 1/3 x 154 x 15 = 770 cm³
jari2 ::::
luas alas = phi x r²
154 = 22/7 x r²
154 : 22/7 = r²
49 = r²
jari2nya 7 cm