Free Printable 9 5.1 Intro to Trig

1.

True or false?

Trigonometry is the study of the relationship between angles and sides of a triangle.

a)

True

b)

False

2.

True or false?

In two similar triangles the sides are not in ratio.

a)

True

b)

False

3.

In relation to the angle θ, the side marked a in this right-angled triangle is called the:

a)

Hypotenuse

b)

Adjacent

c)

Opposite

4.

In relation to the angle θ, the side marked c in this right-angled triangle is called the:

a)

Hypotenuse

b)

Adjacent

c)

Opposite

5.

In relation to the angle θ, the side marked b in this right-angled triangle is called the:

a)

Hypotenuse

b)

Adjacent

c)

Opposite

6.

In relation to the angle θ, the side marked b in this right-angled triangle is called the:

a)

Hypotenuse

b)

Adjacent

c)

Opposite

7.

In relation to the angle θ, the side marked c in this right-angled triangle is called the:

a)

Hypotenuse

b)

Adjacent

c)

Opposite

8.

In relation to the angle θ, the side marked a in this right-angled triangle is called the:

a)

Hypotenuse

b)

Adjacent

c)

Opposite

9.

SOH-CAH-TOA is:

a)

used for all triangles

b)

used for non-right-angled triangles only

c)

used for right-angled triangles only

d)

never used for triangles

10.

What is the ratio for tangent?

a)

$\frac{opposite}{adjacent}$

b)

$\frac{adjacent}{opposite}$

c)

$\frac{adjacent}{hypotenuse}$

d)

$\frac{hypotenuse}{adjacent}$

e)

$\frac{opposite}{hypotenuse}$

11.

What is the ratio for sine?

a)

$\frac{opposite}{adjacent}$

b)

$\frac{hypotenuse}{opposite}$

c)

$\frac{adjacent}{opposite}$

d)

$\frac{hypotenuse}{adjacent}$

e)

$\frac{opposite}{hypotenuse}$

12.

What is the ratio for cosine?

a)

$\frac{opposite}{adjacent}$

b)

$\frac{hypotenuse}{opposite}$

c)

$\frac{adjacent}{hypotenuse}$

d)

$\frac{hypotenuse}{adjacent}$

e)

$\frac{opposite}{hypotenuse}$

13.

What is the ratio of $\sin\theta$ ?

a)

$\frac{p}{q}$

b)

$\frac{q}{p}$

c)

$\frac{r}{q}$

d)

$\frac{q}{r}$

e)

$\frac{r}{p}$

14.

What is the ratio of $\cos\theta$ ?

a)

$\frac{p}{q}$

b)

$\frac{q}{p}$

c)

$\frac{r}{q}$

d)

$\frac{p}{r}$

e)

$\frac{r}{p}$

15.

What is the ratio of $\tan\theta$ ?

a)

$\frac{p}{q}$

b)

$\frac{q}{r}$

c)

$\frac{r}{q}$

d)

$\frac{p}{r}$

e)

$\frac{r}{p}$

16.

What is the ratio of $\tan\theta$ ?

a)

$\frac{12}{5}$

b)

$\frac{12}{13}$

c)

$\frac{5}{13}$

d)

$\frac{5}{12}$

e)

$\frac{13}{12}$

17.

What is the ratio of $\sin\theta$ ?

a)

$\frac{12}{5}$

b)

$\frac{12}{13}$

c)

$\frac{5}{13}$

d)

$\frac{5}{12}$

e)

$\frac{13}{12}$

18.

What is the ratio of $\cos\theta$ ?

a)

$\frac{12}{5}$

b)

$\frac{12}{13}$

c)

$\frac{12}{13}$

d)

$\frac{5}{13}$

e)

$\frac{13}{5}$

19.

What is the ratio of $\cos\theta$ ?

a)

$\frac{17}{15}$

b)

$\frac{15}{17}$

c)

$\frac{8}{17}$

d)

$\frac{15}{8}$

e)

$\frac{17}{8}$

20.

What is the ratio of $\sin\theta$ ?

a)

$\frac{8}{15}$

b)

$\frac{15}{17}$

c)

$\frac{8}{17}$

d)

$\frac{15}{8}$

e)

$\frac{17}{8}$

21.

What is the ratio of $\tan\theta$ ?

a)

$\frac{8}{15}$

b)

$\frac{15}{17}$

c)

$\frac{8}{17}$

d)

$\frac{15}{8}$

e)

$\frac{17}{8}$

9 5.1 Intro to Trig

Total questions: 21

Worksheet time: 21mins

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