" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
l = ?
h = 10 cm
P.przek. = 30cm²
30 = 1/2 * a * 10 a = 6cm r =1/2 a = 3cm
l = √10² + 3²
l = √109 cm
przekrój osiowy to tr. równoramienny P = 30cm²
P tr = 1/2ah
1/2ah = 30
1/2a*10 = 30 /*2
10a = 60
a = 6
r = 6/2
r =3
z tw. Pitagorasa
H² +r² = l²
l² = 10² +3²
l² = 100+9
l = √109