Pole takiego wycinka wynosi:
[tex]\frac{160^o}{360^o} \cdot1,5^2\cdot\pi=\frac{4}{9}\cdot(\frac{3}{2})^2\pi=\frac{4}{9}\cdot\frac{9}{4}\pi= \pi[/tex]
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Pole takiego wycinka wynosi:
[tex]\frac{160^o}{360^o} \cdot1,5^2\cdot\pi=\frac{4}{9}\cdot(\frac{3}{2})^2\pi=\frac{4}{9}\cdot\frac{9}{4}\pi= \pi[/tex]