" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
LP = 4 π r²
5544 = 4 x 22/7 x r²
5544 = 88/7 r²
5544 ÷ 88/7 = r²
(5544 x 7) ÷ 88 = r²
441 = r²
√441 = r
r = 21 cm.