" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
t=3V ÷ πr²
t=(3x314) ÷ (3,14 x 5²)
t=300÷25
t=12 cm
s²=t²+r²=12²+5²=144+25=169
s=√169=13 cm
314 = 78,5 / 3 . t
t = 314 / 26,2
t = 12