Free Printable addmath F5 (circular measure) izuan

1.

How to convert degree to radian?

a)

$\theta\degree\times\frac{\pi}{180\degree}$

b)

$\theta\degree\times\frac{1}{180\degree}$

c)

$\theta\degree\times\frac{180\degree}{\pi}$

d)

$\theta\degree\times\pi$

2.

Angles, θ can be measured in the units of _____ and _____.

a)

degree $\theta^{\degree}$

b)

radian $\theta\ \ rad$

c)

meter

d)

centimeter

3.

Find the arc lenght (s) if given that r = 8 cm and $\theta=0.45\ rad$

a)

3.6 cm

b)

13.6 cm

c)

28.8 cm

d)

36 cm

4.

Find the value of $\theta$ in radian if given that s = 12.5 cm add r = 6 cm

a)

0.083 rad

b)

2.083 rad

c)

12.83 rad

d)

2.038 rad

5.

Convert $145.6\degree$ to radian is

a)

25.4 rad

b)

12.54 rad

c)

2.54 rad

d)

0.254 rad

6.

$360^0\$ is equal to

a)

$\pi$ rad

b)

2 $\pi$ rad

c)

3 $\pi$ rad

7.

How to convert radian to degree?

a)

$\theta\ rad\times\frac{\pi}{180\degree}$

b)

$\theta\ rad\times\frac{1}{180\degree}$

c)

$\theta\ rad\times\frac{180\degree}{\pi}$

d)

$\theta\ rad\times\pi$

8.

what is the correct formula to find area of sector

a)

s=r(teta)

b)

1/2r2(teta)

c)

s+AB

9.

Convert $42\degree$ to radian

(use formula $\theta\degree\times\frac{\pi}{180\degree}$ )

a)

0.2333 rad

b)

131.95 rad

c)

0.733 rad

d)

13.37 rad

10.

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer as an exact value

a)

5π/3

b)

10π/3

c)

10π

d)

40π

addmath F5 (circular measure) izuan

Total questions: 10

Worksheet time: 6mins

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