Special Right Triangle Trigonometry Pre Test

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

In the right triangle shown in the figure, tan(Θ) =

• x

• 
• 
• 

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3

• x = 3√2 y = 3

• x = 3√3 y = 6

• x = 6 y = 3√2

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.

• Multiply that leg's length by √2.

• Multiply that leg's length by 2.

• Divide that leg's length by √2.

What is the sine of angle C?

• 7/24

• 7/25

• 24/25

• 25/24

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

Find x.

• 30°

• 60°

• 90°

• 180°

I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by √3

I have been given the hypotenuse in this 30-60-90 triangle.  How do I find the short leg?

• Multiply 6 by 2

• Multiply 6 by √3

• Divide 6 by 2

• Divide 6 by √3