" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
11 = 1/4 x 2 x 22/7 x r
11 = 11/7r
11 x 7 = 11r
77 = 11r
r = 77/11
r = 7 cm
L = 1/4²
= 1/4 x 22/7 x 7 x 7
= 38,5 cm²