BRSL

persegi

persegi panjang

segitiga

juring

segitiga

persegi panjang

juring lingkaran

belah ketupat

$$\pi rt$$

$$\pi ts$$

$$\pi rs$$

$$\pi rst$$

$$\pi r^2$$

$$\pi r^2t$$

$$\pi rt$$

$$\pi rs$$

$$\pi r^4$$

$$3\pi r^2$$

$$4\pi r^2$$

$$2\pi r^4$$

$$\pi r\ \left(r\ +\ t\right)$$

$$\pi r^2\ +\ 2\pi rt$$

$$\pi r^2\ +\ \pi r^2t$$

$$\pi r^2\ +\ \pi rt^2$$

$$\pi r\ \left(r\ +t\right)$$

$$\pi r\ \left(r+s\right)$$

$$2\pi r\ \left(r\ +\ t\right)$$

$$\pi r^2\ \left(r\ +\ s\right)$$

$$\pi r\ \left(r+t\right)$$

$$\pi r\ \left(r\ +s\right)$$

$$2\pi r\ \left(r\ +t\right)$$

$$2\pi r\ \left(r\ +s\right)$$

$$\pi r^2$$

$$2\pi r^2$$

$$3\pi r^2$$

$$2\pi r^3$$

$$\pi r^2t$$

$$\pi rt^2$$

$$2\pi r^2t$$

$$\frac{1}{3}\pi r^2t$$