面積和體積 (2) 公式

$$2\pi r$$

$$\pi r^2$$

$$\pi r$$

$$2\pi r$$

$$\pi r^2$$

$$2\pi r^2$$

$$2\pi r\times\frac{\theta}{360\degree}$$

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

$$2\pi r\times\frac{\theta}{300\degree}$$

$$\pi r^2\times\frac{\theta}{300\degree}$$

$$2\pi r\times\frac{\theta}{360\degree}$$

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

$$\pi r^2\times\frac{\theta}{300\degree}$$

$$2\pi r\times\frac{\theta}{300\degree}$$

$$2\pi rh$$

$$\pi r^2h$$

$$2\pi r^2h$$

$$\pi rh$$

$$2\pi r^2+2\pi rh$$

$$\pi r^2+\pi rh$$

$$\pi r^2+2\pi rh$$

$$2\pi r^2+\pi rh$$

$$2\pi rh$$

$$\pi rh$$

$$4\pi rh$$

$$2\pi r^2h$$