" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= ( 4 x 21 ) + ( 2 x 22/7 x 21)
= 84 + 132
= 216 cm
jawabannya 216 cm
= πd + 2d
= (22/7 * (21 + 21)) + 2(21 + 21)
= (22/7 * 42) + 2(42)
= 132 + 84
= 216 cm