Question 1

A right triangle has a hypotenuse of length 15 and a leg of length 9. What is the smallest angle in the triangle (to the nearest degree)?

Accepted Answer

37

Answer

31

Answer

I don't know how to find this.

Answer

53

Question 2

If $\sin	heta=0.21$, what is the approximate value of $\csc	heta$?

Accepted Answer

4.76

Answer

I don't know how to do this.

Answer

77.9

Answer

12.1

Question 3

A triangle has side lengths 11, 12, and 17. What is the largest angle in the triangle, to the nearest degree?

Accepted Answer

$95^\circ$

Answer

I don't know how to do this.

Answer

$45^\circ$

Answer

$90^\circ$

Question 4

Using a special triangle, what is the value of $	an60^\circ$?

Accepted Answer

$\sqrt{3}$

Answer

1

Answer

$\frac{\sqrt{3}}{3}$

Answer

I don't know how to do this.

Question 5

Using the CAST Rule, which function(s) is (are) negative in QIII (quadrant 3)?

Accepted Answer

Cosine and Sine

Answer

I don't know how to do this.

Answer

Cosine and Tangent

Answer

Tangent only

Question 6

Which of the following is enough for you to be able to use the Cosine Law to start solving a triangle?

Accepted Answer

You know an angle between two known sides.

Answer

You know an opposite side-angle pair.

Answer

You know all three angles.

Answer

I don't know how to do this.

Question 7

Using a calculator, what is the value closest to $\cos(29^\circ)$?

Accepted Answer

0.8746

Answer

I don't know how to do this.

Answer

0.4848

Answer

-0.7481

Question 8

Which of the following is a related angle to $80^\circ$?

Accepted Answer

$100^\circ$?

Answer

I don't know how to do this.

Answer

$170^\circ$?

Answer

$160^\circ$?

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