Trigonometric Ratios

1.

Multiple Choice

30 sec

1 pt

What leg is considered the hypotenuse?

any side

the side opposite the smallest angle

the side opposite the right angle

the side opposite the shortest leg

Answer explanation

The hypotenuse, which is the side directly across from the right angle, is always c.

La hipotenusa, que es el lado directamente opuesto al ángulo recto, es siempre c.

2.

Multiple Choice

5 mins

1 pt

What is an easy way to remember trigonometric ratios?

SAH COH TAO

SOH CAH TOA

SAH COH TOA

SOH CAH TOH

Answer explanation

3.

Multiple Choice

30 sec

1 pt

Which is the correct ratio for sine?

$\frac{adjacent\ }{hypotenuse}$

$\frac{opposite\ }{hypotenuse}$

$\frac{adjacent\ }{opposite\ }$

$\frac{opposite\ }{adjacent\ }$

Answer explanation

4.

Multiple Choice

30 sec

1 pt

Which is the correct ratio for cosine?

$\frac{adjacent\ }{hypotenuse}$

$\frac{opposite\ }{hypotenuse}$

$\frac{adjacent\ }{opposite\ }$

$\frac{opposite\ }{adjacent\ }$

Answer explanation

5.

Multiple Choice

30 sec

1 pt

Which is the correct ratio for tangent?

$\frac{adjacent\ }{hypotenuse}$

$\frac{opposite\ }{hypotenuse}$

$\frac{adjacent\ }{opposite\ }$

$\frac{opposite\ }{adjacent\ }$

Answer explanation

6.

Multiple Choice

5 mins

1 pt

What is the correct ratio?

27/36

27/45

45/36

45/27

Answer explanation

SOH CAH TOA

$\tan C=\frac{opposite}{adjacent}=\frac{27}{36}$

7.

Multiple Choice

5 mins

1 pt

What is the correct ratio?

18/30

24/30

18/24

24/18

Answer explanation

SOH CAH TOA

$\cos Z=\frac{adjacent}{hypotenuse}=\frac{24}{30}$

8.

Multiple Choice

5 mins

1 pt

What is the correct ratio?

14/48

48/50

14/50

48/14

Answer explanation

SOH CAH TOA

\sin C=\frac{opposite}{hypotenuse}=\frac{14}{50}

9.

Multiple Choice

30 sec

1 pt

What is the correct ratio?

7/24

24/7

7/25

24/25

Answer explanation

SOH CAH TOA

$\tan Z=\frac{opposite}{adjacent}=\frac{7}{24}$

10.

Multiple Choice

30 sec

1 pt

What is the correct ratio?

9/41

40/41

9/40

40/9

Answer explanation

SOH CAH TOA

\cos C=\frac{adjacent}{hypotenuse}=\frac{40}{41}

11.

Multiple Choice

30 sec

1 pt

What is the correct ratio?

24/40

32/40

40/32

24/32

Answer explanation

SOH CAH TOA

$\sin A=\frac{opposite}{hypotenuse}=\frac{32}{40}$

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