Odpowiedź:
z,1
d =2 *26 m = 52 m
a = 12 x b = 5 x
a² + b² = (12 x)² + ( 5 x)² = 144 x² + 25 x² = 169 x² = 52²
169 x² = 2 704 / : 169
x² =16
x = 4
a = 12*4 = 48 a = 48 m
b = 5*4 = 20 b = 20 m
P = a*b = 48 m*20 m = 960 m² > 900 m²
P.
====
L = 2*48 m + 2*20 m = 96 m + 40 m = 136 m
136 m - 8 m= 128 m > 60 m
Odp. F
========
z.2
P = 0,5 e*f = 0,5*8*6 = 24
h = I DE I
I AB I² = 3² + 4² = 9 + 16 = 25
a = I AB I = [tex]\sqrt{25} = 5[/tex]
oraz
P = a*h = 5*h = 24
h = 24 : 5 = 4,8
Odp. I DE I = 4,8 cm
===================
Szczegółowe wyjaśnienie:
Wszystko w załączniku!
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Odpowiedź:
z,1
d =2 *26 m = 52 m
a = 12 x b = 5 x
a² + b² = (12 x)² + ( 5 x)² = 144 x² + 25 x² = 169 x² = 52²
169 x² = 2 704 / : 169
x² =16
x = 4
a = 12*4 = 48 a = 48 m
b = 5*4 = 20 b = 20 m
P = a*b = 48 m*20 m = 960 m² > 900 m²
P.
====
L = 2*48 m + 2*20 m = 96 m + 40 m = 136 m
136 m - 8 m= 128 m > 60 m
Odp. F
========
z.2
P = 0,5 e*f = 0,5*8*6 = 24
h = I DE I
I AB I² = 3² + 4² = 9 + 16 = 25
a = I AB I = [tex]\sqrt{25} = 5[/tex]
oraz
P = a*h = 5*h = 24
h = 24 : 5 = 4,8
Odp. I DE I = 4,8 cm
===================
Szczegółowe wyjaśnienie:
Wszystko w załączniku!