Free Printable 面積和體積 (2) 公式

1.

圓周 =

( r = 半徑)

a)

$2\pi r$

b)

$\pi r^2$

c)

$\pi r$

2.

圓面積 =

( r = 半徑)

a)

$2\pi r$

b)

$\pi r^2$

c)

$2\pi r^2$

3.

弧長 =

( r = 半徑； $\theta$ = 圓心角)

a)

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

b)

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

c)

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

d)

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

4.

扇形面積 =

( r = 半徑； $\theta$ = 圓心角)

a)

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

b)

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

c)

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

d)

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

5.

圓柱體體積 =

( r = 底半徑；h = 圓柱體的高)

a)

$2\pi rh$

b)

$\pi r^2h$

c)

$2\pi r^2h$

d)

$\pi rh$

6.

圓柱體總表面面積 =

( r = 底半徑；h = 圓柱體的高)

a)

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

b)

$\pi r^2+\pi rh$

c)

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

d)

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

7.

圓柱體曲面面積 =

( r = 底半徑；h = 圓柱體的高)

a)

$2\pi rh$

b)

$\pi rh$

c)

$4\pi rh$

d)

$2\pi r^2h$

面積和體積 (2) 公式

Total questions: 7

Worksheet time: 7mins

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