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Ploščina in obseg

Online kalkulatorji izvajajo izračun ploščine in obsegov ravninskih geometrijskih likov.

Kalkulatorji

$$ \begin{aligned} p &= \pi r^2 \\ \\ o &= 2 \cdot \pi r \end{aligned} $$

$$ \begin{aligned} p &= \frac{a v_a}{2} \\ \\ o &= a + b + c \end{aligned} $$

pravokotni trikotnik

$$ \begin{aligned} p &= \frac{ab}{2} \\ \\ o &= a + b + c \end{aligned} $$

$$ \begin{aligned} p &= a \cdot a = a^2 \\ \\ o &= 4 \cdot a \end{aligned} $$

$$ \begin{aligned} p &= ab \\ \\ o &= 2 \cdot (a + b) \end{aligned} $$

$$ \begin{aligned} p &= a v \\ \\ o &= 4 \cdot a \end{aligned} $$

$$ \begin{aligned} p &= a v_a = b v_b \\ \\ o &= 2 \cdot (a + b) \end{aligned} $$

$$ \begin{aligned} p &= \frac{(a + c)v}{2} \\ \\ o &= a + b + c + d \end{aligned} $$

pravilni peterokotnik

$$ \begin{aligned} p &= \frac{\sqrt{25 + 10 \sqrt{5}}}{4} a^2 \\ \\ o &= 5 \cdot a \end{aligned} $$

pravilni šesterokotnik

$$ \begin{aligned} p &= \frac{3 \sqrt{3}}{2} a^2 \\ \\ o &= 6 \cdot a \end{aligned} $$

pravilni mnogokotnik

$$ \begin{aligned} p &= \frac{1}{4} n a^2 \cot\frac{180^\circ}{n} \\ \\ o &= n \cdot a \end{aligned} $$

Pitagorov izrek

$$ \begin{aligned} c^2 = a^2 + b^2 \end{aligned} $$

Ocena

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