34.14

3.142

4.314

3.412

$\frac{360}{\theta}\pi r^2$

$\frac{180}{\theta}\pi r^2$

$\frac{\theta}{360}\pi r^2$

$\frac{\theta}{180}\pi r^2$

$Q\ =\frac{2\pi r}{360}\ \times\theta$

$\theta\ =\frac{Q}{360}\ \times2\pi r$

$Q\ =\frac{\theta}{360}\ \times2\pi r$

$2\pi r\ =\frac{\theta}{360}\ \times Q$

r

4r

2r

3r

اکبر سیکٹر

قطع دائرہ

اصغر سیکٹر

قوس

$\frac{P}{180}\ \times2\pi r$

$\frac{P}{180}\ \times\pi r^2$

$\frac{P}{360}\ \times2\pi r$

$\frac{P}{720}\ \times2\pi r^2$

 $\frac{\pi r^2}{360\degree}cm^2$  

 $\frac{\pi r^2}{90\degree}cm^2$  

 $\frac{\pi r^2}{4}cm^2$  

 $\frac{\pi r^2}{2}cm^2$  

$\pi r^2$

$\frac{\pi r^2}{2}$

$2\pi r^2$

$2\pi r$

2  units

 $\pi$  units

4  units

7  units