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buna seara!
Ma poate ajuta cineva va rog la acest ex?
va rog muult!​


Buna Seara Ma Poate Ajuta Cineva Va Rog La Acest Ex Va Rog Muult class=

Răspuns :

Răspuns:

a)

BC^2=AB^2+AC^2

BC^2=3^2+4^2

BC^2=9+16

BC^2=25

BC=√25

BC=5

b)

BC^2=AB^2+AC^2

BC^2=15^2+20^2

BC^2=225+400

BC^2=625

BC=√625

BC=25

c)

BC^2=AB^2+AC^2

BC^2=6^2+8^2

BC^2=36+64

BC^2=100

BC=√100

BC=10

d)

BC^2=AB^2+AC^2

BC^2=18^2+24^2

BC^2=324+576

BC^2=900

BC=√900

BC=30