" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
J²= 20²
S² + r²= 20²
16² + r²= 20²
256 + r²= 400
r²= 400 - 256
r²=144
r= 12
r2= r - r1
r2= 12 - 4
r2= 8