Quiz about Unit 6 Test Review - Right Triangles & Trig

Question 1

To use the Pythagorean Theorem, we need...

Accepted Answer

A right triangle with 2 known sides

Answer

A triangle with 2 known angles

Answer

A right triangle with 2 known angles

Answer

A triangle with 2 known sides

Question 2

We can use SOH-CAH-TOA for...

Accepted Answer

Right Triangles only

Answer

Any triangle ever

Answer

Non-right triangles only

Answer

Never

Question 3

Set up the problem...

Accepted Answer

cos X = 28/41

Answer

sin X = 41/28

Answer

tan X = 41/28

Answer

sin X = 28/41

Question 4

Find the measure of the missing angle.

Accepted Answer

26o

Answer

64o

Answer

61o

Answer

.008o

Question 5

Find the measure of the indicated angle (?) round to the nearest tenth.

Accepted Answer

55.2

Answer

9.4

Answer

20.15

Answer

19.4

Question 6

Solve for the missing angle

Accepted Answer

36.9

Answer

50

Answer

0.053

Answer

95

Question 7

If you are given the two sides that are not the hypotenuse, which trig function should you use?

Accepted Answer

tangent

Answer

sine

Answer

cosine

Answer

cotangent

Question 8

What is the ratio for cosine?

Accepted Answer

A/H

Answer

H/A

Answer

O/A

Answer

A/O

Question 9

What is the value of x?

Accepted Answer

17.30

Answer

11.33

Answer

0.06

Answer

23.82

Question 10

What is the value of x?

Accepted Answer

98.13

Answer

9.17

Answer

0.11

Answer

26.69

Question 11

What is the value of x?

Accepted Answer

4.91

Answer

4.20

Answer

7.32

Answer

0.14

Question 12

Classify a triangle with side lengths 12, 14, and 20.

Accepted Answer

Obtuse

Answer

Acute

Answer

Right

Answer

Isosceles

Question 13

Classify a triangle with side lengths 20, 25, and 15.

Accepted Answer

Right

Answer

Acute

Answer

Obtuse

Answer

Equilateral

Question 14

Welcome to Unit 6 Quizziz: Right Triangles and Trig.

Are you ready to start?

Accepted Answer

Yes

Answer

No

Question 15

A pythagorean triple is a set of 3 integers that satisfy a² + b² = c². The primary set of pythagorean triples is 3, 4, 5. Determine if the following set of numbers are Pythagorean Triples.
15, 20, 25

Accepted Answer

Yes

Answer

No

Question 16

Which inequality models an acute triangle?

Accepted Answer

c² < a² + b²

Answer

c² > a² + b²

Answer

what's an acute triangle?

Answer

c² = a² + b²

Question 17

Find the area of this triangle. Round your answer to the nearest tenth.

Accepted Answer

89.6 units squared

Answer

89.0 units squared

Answer

9.2 units squared

Answer

13.1 units squared

Question 18

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree.

Accepted Answer

87 ft

Answer

63 ft

Answer

65 ft

Answer

74 ft

Question 19

_{^{Find the missing side}}

Accepted Answer

6.4

Answer

9

Answer

41

Answer

3

Question 20

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Accepted Answer

27 feet

Answer

25 feet

Answer

26 feet

Answer

28 feet

Question 21

Find the length of the missing side.

Accepted Answer

80 in.

Answer

20 in.

Answer

68 in.

Answer

16 in.

Question 22

What is COS N?

Accepted Answer

4/5

Answer

3/5

Answer

3/4

Answer

4/3

Question 23

Solve for X and Y

Accepted Answer

X = 4.24; Y = 4.24

Answer

X= 4.24; Y = 5

Answer

X = 6; Y = 6

Answer

X = 5, Y = 5

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