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Luas dan keliling

Kalkulator online menghitung luas dan keliling dari bentuk bidang geometri.
Anda juga bisa menemukan rumus-rumus, gambar-gambar dan tata cara penghitungan pada situs ini.

Kalkulator

$$ \begin{aligned} L &= \pi r^2 \\ \\ K &= 2 \cdot \pi r \end{aligned} $$

$$ \begin{aligned} L &= \frac{a t_a}{2} \\ \\ K &= a + b + c \end{aligned} $$

segitiga siku-siku

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

$$ \begin{aligned} L &= a \cdot a = a^2 \\ \\ K &= 4 \cdot a \end{aligned} $$

persegi panjang

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

$$ \begin{aligned} L &= a t \\ \\ K &= 4 \cdot a \end{aligned} $$

$$ \begin{aligned} L &= a t_a = b t_b \\ \\ K &= 2 \cdot (a + b) \end{aligned} $$

$$ \begin{aligned} L &= \frac{(a + c)t}{2} \\ \\ K &= a + b + c + d \end{aligned} $$

segi lima beraturan

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

segi enam beraturan

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

segi banyak beraturan

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

teorema Pythagoras

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

Skor

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