Free Printable Right Triangle Trigonometry

1.

What is the measure of the side of the triangle that is adjacent to angle A

a)

13

b)

12

c)

5

d)

not enough information given

2.

What is the measure of the side of the triangle that is opposite to angle A

a)

13

b)

12

c)

5

d)

not enough information given

3.

What is the measure of the hypotenuse?

a)

13

b)

12

c)

5

d)

not enough information given

4.

What is the SINE ratio of any angle in a right triangle

a)

$\frac{\text{adjacent}}{\text{hypotenuse}}$

b)

$\frac{\text{opposite}}{hypotenuse}$

c)

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

d)

$\frac{\text{hypotenuse}}{\text{opposite}}$

5.

What is the COSINE ratio of any angle in a right triangle

a)

$\frac{\text{adjacent}}{\text{hypotenuse}}$

b)

$\frac{\text{opposite}}{hypotenuse}$

c)

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

d)

$\frac{\text{hypotenuse}}{\text{opposite}}$

6.

What is the TANGENT ratio of any angle in a right triangle

a)

$\frac{\text{adjacent}}{\text{hypotenuse}}$

b)

$\frac{\text{opposite}}{hypotenuse}$

c)

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

d)

$\frac{\text{hypotenuse}}{\text{opposite}}$

7.

"θ" is used to represent an unknown ____________.

a)

angle

b)

side

c)

hypotenuse

8.

Which of the following is the correct acronym to help remember the three trigonometric ratios

a)

SOH COH TOA

b)

SAH COH TOA

c)

SOH CAH TOH

d)

SOH CAH TOA

9.

What is sin(A) ?

a)

$\frac{12}{37}$

b)

$\frac{12}{35}$

c)

$\frac{35}{37}$

d)

$\frac{35}{12}$

10.

What is cos(A) ?

a)

$\frac{12}{37}$

b)

$\frac{12}{35}$

c)

$\frac{35}{37}$

d)

$\frac{35}{12}$

11.

What is cos(c) ?

a)

$\frac{12}{37}$

b)

$\frac{12}{35}$

c)

$\frac{35}{37}$

d)

$\frac{35}{12}$

12.

TRUE OR FALSE: You can find the sine of any angle in any triangle

a)

True- Can be any triangle!

b)

False- Must be a right triangle

13.

Cos(Z)=

a)

$\frac{\text{15}}{\text{17}}$

b)

$\frac{\text{8}}{\text{17}}$

c)

sin(x)

d)

tan(z)

14.

tan(A) = ?

a)

$\frac{\text{20}}{\text{21}}$

b)

$\frac{\text{21}}{\text{20}}$

c)

tan(C)

d)

$\frac{\overline{BC}}{\overline{BA}}$

15.

sin(A) = ?

a)

$\frac{20}{21}$

b)

$\frac{20}{29}$

c)

cos(A)

d)

cos(C)

Right Triangle Trigonometry

Total questions: 15

Worksheet time: 11mins

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