Special Right Triangles Trig

Which Ratio is equivalent to Tan A?

• 3/5

• 3/4

• 5/3

• 4/3

What ratio is equivalent to Cos A?

• 3/5

• 5/4

• 3/4

• 4/3

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Find x.

• 10

• 10√3

• 10√2

• 20

Find x.

• 22

• 11√3

• 11√2

• 11

What is the green side labelled as using the starred angle as a starting point?

• adjacent

• opposite

• hypotenuse

Determine the value of x.

• x = 10√2

• x = 10

• x = 5√3

• x = 5√6

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8