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Prosił bym o pomoc na teraz

Prosił Bym O Pomoc Na Teraz class=

Odpowiedź :

Odpowiedź:

10.

a)

d1 = d2

d1 = 3[tex]\sqrt{5}[/tex]  + 3[tex]\sqrt{5}[/tex] = 6[tex]\sqrt{5}[/tex]  

P = 0.5 * 6[tex]\sqrt{5}[/tex]  * 6[tex]\sqrt{5}[/tex]   = 90 j^2

b)

D2 = 15 + 2 * 6 = 15 + 12 = 27 j

10^2 = 6^2 + h^2

100 = 36 + h^2

h ^2=  100 - 36 = 64

h = [tex]\sqrt{64}[/tex] = 8 j

P = 0.5 [(15 + 27) * 8]  = 336/2 = 168 j^2

10

a.

Ob=4a

Ob=4•9=36

P=½•e•f

e=2•3V5=6V5

f²=9²-(3V5)²=81-45=36

f=V36=6

cała przekątna 2•6=12

P=½•12•6V5=36V5

b.

h²=10²-6²

h²=100-36

h²=64

h=V64

h=8

a=6+6+15=27

b=15

`````````(a+b)•h`````````````(27+15)•8``````````42•8

P= ------------- = ----------------- = ----------- = 168

`````````````2```````````````````````2````````````````````2

Ob=10+10+15+27=62

Odpowiedź:

Szczegółowe wyjaśnienie: