Triangles: special right and trig

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 value of y.

• 9
• 18√2
• 9√2
• (9√2)/2

Find a.

• 3
• 3√3
• 6
• 2√3

Find the missing side lengths.

• a = 4, b = 4
• a = 4, b = 2√2
• a = 2√2,  b = 4
• a = 4, b = 4

Find n.

• 4
• 6
• 12
• 2√3

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4
• 55.2
• 20.15
• 19.4

Choose the correct ratio.

• A
• B
• C
• D

Find <B?

• 29.74 degrees
• 60.26 degrees
• 34.84 degrees
• 55.15 degrees