" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
RA = 7cm
P = 30 cm
KB = 22 CM
dit : D ?
Mk :
KA = 2 x 22/7 x r
22 = 44/7 x r
r = 3,5 cm
D² = P² - (R+r)²
D² = 30² - (7+3,5)²
D² = 900 - 110,25
D = √789,75
D = 28,10 cm