Free Printable Grade 9

1.

What equation can be used to solve for x?

a)

Sin(40°)= x/40

b)

Sin(40º)=x/19

c)

Cos(40º)=x/19

d)

Tan(40°)=19/x

2.

If you are given the opposite side and hypotenuse, which trig function should you use?

a)

sine

b)

cosine

c)

tangent

d)

cotangent

3.

If you are given the hypotenuse and an adjacent side, which trig function should you use?

a)

sine

b)

cosine

c)

tangent

d)

cotangent

4.

Which is the correct set up to solve for x?

a)

sin 72 = 6 / x

b)

cos 72 = 6 / x

c)

tan 72 = 6 / x

5.

Choose the correct set-up to solve for x.

a)

$\sin\left(37\right)=\frac{x}{14}$

b)

$\cos\left(37\right)=\frac{x}{14}$

c)

$\tan\left(37\right)=\frac{x}{14}$

d)

$\sin\left(37\right)=\frac{14}{x}$

6.

Find K

a)

27.08

b)

74.77

c)

35.92

d)

35.94

7.

Solve for the misssing distance

a)

18.88

b)

38.60

c)

47.67

d)

27.5

8.

Solve for the missing angle.

a)

50 $\degree$

b)

40 $\degree$

c)

32 $\degree$

d)

42 $\degree$

9.

Find side AB?

a)

20 m

b)

5 m

c)

11.54 m

d)

8.66 m

10.

Solve for the missing angle.

a)

50.5 degrees

b)

12.7 degrees

c)

36.9 degrees

d)

72.2 degrees

11.

Use the Law of Sines to solve for BC

a)

33

b)

24

c)

12

d)

29

12.

Find AB

a)

10

b)

8

c)

6.1

d)

4.9

13.

What is the measure of angle A?

a)

58 degrees

b)

61 degrees

c)

78 degrees

d)

74 degrees

14.

What is the measure of angle A?

a)

50 degrees

b)

60 degrees

c)

78 degrees

d)

74 degrees

15.

Find m<B

a)

A

b)

B

c)

C

d)

D

16.

Which of the following formulas shows the Law of Cosines?

a)

c² = a² + b² - 4ac + cosA

b)

c² = a² - b² - 2abcosC

c)

c² = a² + b² - 2abcosC

d)

(cos A)/a = (cos B)/b

17.

Find angle Z

a)

20.15°

b)

71.23°

c)

51.06°

d)

57.71°

18.

Which Law would you use?

a)

Law of Sines

b)

Law of Cosines

c)

Law of the Jungle

d)

Law of Gravity

19.

Find QR

a)

34.7 km

b)

2.2 km

c)

13.74

d)

31.1 km

20.

Find the missing side.

a)

15.9 in.

b)

22.8 in.

c)

19.2 in.

d)

521.1 in.

21.

Choose the correct true bearing

a)

$75\degree$

b)

$255\degree$

c)

$195\degree$

d)

$075\degree$

22.

Choose the correct true bearing

a)

$62\degree$

b)

$062\degree$

c)

$332\degree$

d)

$152\degree$

Grade 9_Trigonometry

Total questions: 22

Worksheet time: 22mins

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