Right Triangles and Trig Ratios

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

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

• 4√2

• 4

• 8

• 4√3

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

Find the missing side lengths.

• a = 4, b = 4

• a = 4, b = 2√2

• a = 2√2,  b = 4

• a = 4, b = 4

Match the following

• Tan X

• Tan Z

• Sin Z

• Cos Z

1. Right triangle ABC is shown. 

Select all expressions which are equal to the length of side BC .

Match the following

• 120

• Sin Z

• Tan Z

• Area of the triangle

• Tan X

• Cos Z

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.

Right triangle ABC is shown. 

Select all expressions which are equal to the length of side BC .

Match the following

• Cos A

• Sin A

• Tan A

• Size of Angle B

• Tan C