Geometry formulas for area and perimeter of shapes

Parabola

Parabola
$$\textbf{Area of the parabola}$$
$$A = \frac{2}{3} · a · b$$Calcular
$$\textbf{Length,}\textit{ ABC}$$
$$\vert ABC \vert =½ · \sqrt{b^2+16 · a^2}+…$$
$$\frac{b^2}{8 · a} · \ln{\Bigg(\frac{4 · a + \sqrt{b^2+16 · a^2}}{b}}\Bigg)$$Calcular