" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
e=10cm
a=?
a=Ob:4
a=60:4
a=15
e=f
f=10cm
P = (e*f) : 2
P=(10*10):2
P=100:2
P=50
Ob = 4a
60 = 4a/:4
a = 15 cm
e = 10 cm