Odpowiedź:
a = 4 cm b = 6 cm Pb = 60 % Pc
----------------------------------------------------------
h = ?
Pb = (2 a + 2 b)*h = ( 2*4 + 2*6 )*h = 20 h
Pc = 2 a*b + Pb = 2*4*6 + 20 h = 48 + 20 h
więc
20 h = 0,6*( 48 + 20 h )
20 h = 28,8 + 12 h
8 h = 28,8 / : 8
h = 3,6
Odp. h = 3,6 cm
=================
Szczegółowe wyjaśnienie:
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Odpowiedź:
a = 4 cm b = 6 cm Pb = 60 % Pc
----------------------------------------------------------
h = ?
Pb = (2 a + 2 b)*h = ( 2*4 + 2*6 )*h = 20 h
Pc = 2 a*b + Pb = 2*4*6 + 20 h = 48 + 20 h
więc
20 h = 0,6*( 48 + 20 h )
20 h = 28,8 + 12 h
8 h = 28,8 / : 8
h = 3,6
Odp. h = 3,6 cm
=================
Szczegółowe wyjaśnienie: