Cum calculez lungimea razei cercului circumscris unui triunghi dreptunghic care are catetele de lungimea 3 și 4 ?

Răspunsul a fost dat de: USER7987
1 September 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Cum calculez lungimea razei cercului circumscris unui triunghi dreptunghic care are catetele de lungimea 3 și 4 ?
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(217)
b=3 
c=4
conf   pitagora a=√(9+16)=5
sin<B=3/5
Scriiteorema   sinusului
a/sinA=b/sinB=c/sinC=2R
Pastrezi   doar   relatia
b/sinB=2R
3/(3/5)=2R=>
5=2R=>   R=5/2=2,5
Răspunsul a fost dat în data 1 September 2025

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