Free Printable Math 9 Quiz 1

1.

What is $\frac{\text{11}}{\text{6}}\pi$ radians in degrees?

a)

$30\degree$

b)

$330\degree$

c)

$360\degree$

d)

$300\degree$

2.

What is 225 degrees in radians?

a)

$\frac{7}{4}\pi$

b)

$\frac{3\pi}{4}$

c)

$\frac{5\pi}{4}$

d)

$\frac{5\pi}{3}$

3.

Convert to degrees: $\frac{8\pi}{3}$

a)

$480\degree$

b)

$240\degree$

c)

$800\degree$

d)

$24\degree$

4.

Convert to radians: $120\degree$

a)

$\frac{2\pi}{3}$

b)

$\frac{2\pi}{6}$

c)

$\frac{3\pi}{4}$

d)

$\frac{\pi}{20}$

5.

Formula to find the arc length of a circle.

a)

$\frac{1}{2}r^2\theta$

b)

$\pi r^2$

c)

$\theta\times r$

d)

$2\pi r$

6.

Formula to find the sector area.

a)

$\frac{1}{2}r^2\theta$

b)

$\pi r^2$

c)

$\theta\times r$

d)

$2\pi r$

7.

Find the area of a sector with an angle of 30 degrees and a radius of 8 cm.

a)

120

b)

1920

c)

240

d)

960

8.

Find the arc length of a circle with an angle of 30 degrees and a radius of 8 cm.

a)

120

b)

1920

c)

240

d)

960

9.

Find the area of a sector with an arc length of 30 cm and a radius of 8 cm.

a)

240

b)

960

c)

120

d)

480

10.

A central angle measures 90 degrees and has an arc length of 450 inches. What is the diameter of the circle?

a)

5

b)

10

c)

25

d)

50

Math 9 Quiz 1

Total questions: 10

Worksheet time: 9mins

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