" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
r² = 0,49
r = 0,7 dm = 7 cm
d = 2.7= 14 dm
L = πr²
1,54 = 22/7r²
r² = 1,54/(22/7)
r² = 0,49
r = 0,7 dm
d = 2r
d =0,7×2 = 1,4 dm = 14 cm