" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= (1/2 x πd) + 2(1/4 x πd)
= (1/2 x 3.14 x 20) + (1/2 x 3.14 x 20)
= 31.4 + 31.4
= 62.8 cm