Quiz about Test 7 Review - Special Right Triangles and Trig Ratios

Question 1

Solve for the missing distance

Accepted Answer

18.9

Answer

19.5

Answer

47

Answer

27.5

Question 2

What is the cosine of angle P?

Accepted Answer

q/r

Answer

p/q

Answer

p/r

Answer

r/q

Question 3

Which Trig function do you use?

Accepted Answer

Sine

Answer

Cosine

Answer

Tangent

Question 4

What is the length of side x?

Accepted Answer

7.44 cm

Answer

6.57 cm

Answer

7 cm

Answer

26.33 cm

Question 5

Solve for x.

Accepted Answer

29.75

Answer

24.20

Answer

4.92

Answer

290.4

Question 6

What would you use to solve for a?

Accepted Answer

tan

Answer

sin

Answer

cos

Answer

Pythagorean theorem

Question 7

What is the correct ratio?

Accepted Answer

sin 40 = w/28

Answer

cos 40 = w/28

Answer

tan 40 = w/28

Answer

sin 40 = 28/w

Question 8

Solve for the missing angle

Accepted Answer

36.9

Answer

50

Answer

0.053

Answer

95

Question 9

What type of special right triangle is this?

Accepted Answer

Isoceles right

Answer

30-60-90

Answer

not a special right triangle

Question 10

What type of special right triangle is this?

Accepted Answer

30-60-90

Answer

Isoceles right

Answer

not a special right triangle

Question 11

What is side c?

Accepted Answer

hypotenuse

Answer

leg

Answer

long leg

Answer

short leg

Question 12

What type of special right triangle is this?

Accepted Answer

45-45-90

Answer

30-60-90

Answer

not a special right triangle

Question 13

What is side a?

Accepted Answer

leg

Answer

hypotenuse

Answer

long leg

Answer

short leg

Question 14

What type of special right triangle is this?

Accepted Answer

not a special right triangle

Answer

isosceles right

Answer

30-60-90

Question 15

FInd tanX

Accepted Answer

32/24

Answer

32/40

Answer

40/24

Answer

24/32

Question 16

Find sinA

Accepted Answer

32/40

Answer

32/24

Answer

24/40

Answer

24/32

Question 17

Find cosC

Accepted Answer

16/34

Answer

16/30

Answer

30/34

Answer

34/16

Question 18

Find the length of side w.

Accepted Answer

18.0 cm

Answer

21.4 cm

Answer

36.5 cm

Answer

43.6 cm

Question 19

What is the cosine of angle P?

Accepted Answer

q/r

Answer

p/q

Answer

p/r

Answer

r/q

Question 20

Find sin C

Accepted Answer

28/35

Answer

21/35

Answer

28/21

Answer

35/28

Question 21

Find tanZ

Accepted Answer

21/28

Answer

35/21

Answer

35/28

Answer

28/21

Question 22

Choose the correct ratio.

Accepted Answer

cos(37)=x/14

Answer

sin(37)=x/14

Answer

tan(37)=x/14

Answer

sin(37)=14/x

Question 23

Which trig function would help you solve for the missing angle?

Accepted Answer

tangent

Answer

sine

Answer

cosine

Answer

pythagorean theorem

Question 24

Which trig function would you use with this diagram?

Accepted Answer

Cos

Answer

Sin

Answer

Tan

Answer

Wha??

Question 25

What trigonometric ratio would be used to find the distance from the ship to the plane?

Accepted Answer

sine

Answer

cosine

Answer

tangent

Answer

inverse sine

Question 26

What would you use to solve for a?

Accepted Answer

tan

Answer

sin

Answer

cos

Answer

Pythagorean theorem

Question 27

Which trigonometric ratio is correct?

Accepted Answer

cosC= adj/hyp

Answer

sinC= adj/hyp

Answer

tanC= adj/hyp

Answer

tanC=adj/opp

Question 28

Fill in the blank...
SOH ___ TOA

Accepted Answer

CAH

Answer

COH

Answer

COA

Answer

CHA

Question 29

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 30

What is the ratio for cosine?

Accepted Answer

A/H

Answer

H/A

Answer

O/A

Answer

A/O

Question 31

What is the value of x?

Accepted Answer

30.98

Answer

960

Answer

43.91

Answer

14.24

Question 32

What is the value of x?

Accepted Answer

17.30

Answer

11.33

Answer

0.06

Answer

23.82

Question 33

What is the value of x?

Accepted Answer

4.91

Answer

4.20

Answer

7.32

Answer

0.14

Question 34

What is the value of x?

Accepted Answer

25

Answer

13.23

Answer

5.36

Answer

625

Question 35

What is the value of x?

Accepted Answer

38.60

Answer

42.59

Answer

0.03

Answer

8.39

Question 36

What is the value of x?

Accepted Answer

6 < x < 30

Answer

21.63

Answer

13.42

Answer

30 < x < 6

Question 37

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

Accepted Answer

Obtuse

Answer

Acute

Answer

Right

Answer

Isosceles

Question 38

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

Accepted Answer

Right

Answer

Acute

Answer

Obtuse

Answer

Equilateral

Question 39

A ladder is leaning against a house at an angle of 39 degrees. If the ladder is 12 ft. long, how far is the bottom of the ladder from the house? Round to the tenths.

Accepted Answer

9.3 ft.

Answer

15.4 ft.

Answer

20.2 ft.

Answer

5.3 ft.

Question 40

A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees.  Estimate the length of the ramp to the nearest tenth of an inch.

Accepted Answer

22.7 inches

Answer

4.1 inches

Answer

3.9 inches

Answer

0.7 inches

Question 41

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse?

Accepted Answer

45 feet

Answer

25 feet

Answer

110 feet

Answer

135 feet

Question 42

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 43

A hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree.  The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse?

Accepted Answer

30 ft

Answer

7.5 ft

Answer

15 ft

Answer

26 ft

Question 44

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse?

Accepted Answer

45 feet

Answer

25 feet

Answer

110 feet

Answer

135 feet

Question 45

Solve for x. Round to the nearest tenth.

Accepted Answer

9.9

Answer

9.8

Answer

0.1

Answer

0.038

Question 46

Find the length of side y.

Accepted Answer

76.34 cm

Answer

22.32 cm

Answer

36.5 cm

Answer

87.76 cm

Question 47

A triangle's angles add up to...

Accepted Answer

180 Degrees

Answer

90 Degrees

Answer

360 Degrees

Answer

OVER 9000 Degrees

Question 48

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 49

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 50

Solve the right triangle.

Accepted Answer

o, AB = 11.58, AC = 7.29

Answer

o, AB = 7.29, AC = 11.58

Answer

o, AB = 11.58, AC = 7.29

Answer

o, AB = 7.29, AC = 11.58

Question 51

Solve the right triangle.

Accepted Answer

o, o, AC = 9.01

Answer

o, o, AC = 5.59

Answer

o, o, AC = 5.59

Answer

o, o, AC = 9.01

Question 52

Find the measure of the missing angle.

Accepted Answer

26o

Answer

64o

Answer

61o

Answer

.008o

Question 53

Find the measure of the missing angle.

Accepted Answer

49o

Answer

50o

Answer

41o

Answer

33o

Question 54

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 55

How do you know which side is the OPPOSITE?

Accepted Answer

It is opposite the theta

Answer

It is next to the right angle

Answer

It is opposite the right angle

Answer

It is the bottom leg of the triangle

Test 7 Review - Special Right Triangles and Trig Ratios

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