Pizza pie

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Beniamin Bogosel
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Pizza pie

Post by Beniamin Bogosel »

Intrun cerc se afla un punct \( P \). Prin acest punct se duc 4 drepte care fac intre ele oricare 2 consecutive un unghi de \( 45^\circ \). Se hasureaza alternativ sectoarele de cerc formate. Sa se arate ca aria hasurata este egala cu aria nehasurata.
Yesterday is history,
Tomorow is a mistery,
But today is a gift.
That's why it's called present. :)

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enescu
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Post by enescu »

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Bogdan Enescu
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Beniamin Bogosel
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Post by Beniamin Bogosel »

Uau... Solutia asta n-aveam cum s-o gasesc... :)
Oricum, se poate si un pic mai simplu...

(pentu cei care stiu un pic de analiza, se poate si mai simplu...)
Yesterday is history,
Tomorow is a mistery,
But today is a gift.
That's why it's called present. :)

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enescu
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Posts: 60
Joined: Tue May 20, 2008 10:08 pm

Post by enescu »

Nu e solutia mea...dar e "fun". Oricum, problema e clasica, si solutia cu integrale e binecunoscuta :)
Bogdan Enescu
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