Quiz about Unit 4 Assessment Review

Question 1

What is the value of x?

Accepted Answer

$$10\sqrt[]{3}$$

Answer

20

Answer

10

Answer

5

Question 2

What is the value of y?

Accepted Answer

20

Answer

10

Answer

$$10\sqrt[]{3}$$

Answer

5

Question 3

What is the area of this equilateral triangle?

Accepted Answer

$$2.25\sqrt[]{3}$$

Answer

$$1.5\sqrt[]{3}\ cm^2$$

Answer

$$18\ cm^2$$

Answer

$$3\sqrt[]{3}\ cm^2$$

Question 4

Based on the figure, select all true equations.

Accepted Answer

$$\sin\left(30\right)=\frac{C}{A}$$

Accepted Answer

$$\sin\left(60\right)=\frac{B}{A}$$

Answer

$$ an\left(90 ight)=\frac{A}{B}$$

Answer

$$ an\left(60 ight)=\frac{C}{B}$$

Question 5

Based on the figure, select all true equations.

Accepted Answer

$$ an\left(30 ight)=\frac{C}{B}$$

Accepted Answer

$$ an\left(60 ight)=\frac{B}{C}$$

Answer

$$\sin\left(30\right)=\frac{B}{C}$$

Answer

$$ an\left(60 ight)=\frac{C}{B}$$

Question 6

An airplane took off from MKE airport. When the plane was 12,500 feet from the end of the runway, the plane was at an altitude of 4000 ft. What was the angle of elevation?

Accepted Answer

18.7

Answer

.006

Answer

18.6

Answer

71.3

Question 7

For an acute angle, the equation $$\sin\left(\delta\right)=\cos\left(22\right)$$ . What is the value of $$\delta$$ ?

Accepted Answer

68

Answer

78

Answer

22

Answer

158

Question 8

To solve for x, what trig function would you use?

Accepted Answer

Sin

Answer

Cos

Answer

Tan

Question 9

To solve for h, what trig function would you use?

Accepted Answer

Tan

Answer

Sin

Answer

Cos

Question 10

To solve for angle q, I would use the following trig function

Accepted Answer

sin-1

Answer

sin

Answer

cos

Answer

cos-1

Question 11

What trig function could you use to solve for angle theta?

Accepted Answer

sin-1

Accepted Answer

cos-1

Accepted Answer

tan-1

Answer

none

Question 12

What trig function would you use to solve for side x?

Accepted Answer

cos

Answer

sin

Answer

tan

Question 13

What trig function is used to solve for x?

Accepted Answer

tan

Answer

sin

Answer

cos

Question 14

Here is a 30-60-90 triangle. What is the value of x?

Accepted Answer

5

Answer

10

Answer

$$5\sqrt[]{3}$$

Question 15

What is the value of x?

Accepted Answer

51 degrees

Answer

90 degrees

Answer

39 degrees

Answer

141 degrees

Question 16

What is the equation used to solve for d?

Accepted Answer

Answer

Different answer

Question 17

y is what side of this triangle?

Accepted Answer

opposite

Answer

adjacent

Answer

hypotenuse

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