Two surfaces |
Proposed by
Gabi |
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| (4 comments) | 2.854 times displayed |
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Figura atasata contine doua figuri geometrice similare. Intrebari:
a) De cate ori este continuta figura mica in figura mare?
b) (optional) Daca aveti posibilitatea, demonstrati raspunsul de la punctul a) printr-un desen! |
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 Figura mai mica poate fi reconstruita ca un dreptunghi cu laturile b si c, unit cu un dreptunghi cu laturile b si a. Astfel, obtinem ca:
Fmica = bc − ab = 4 cm · 6 cm − 2 cm · 4 cm = 16 cm2
Analog:
Fmare = cd − ac = 6 cm · 10 cm − 2 cm · 6 cm = 48 cm2
Astfel, figura mai mica incape de 3 ori in figura mare. |
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