Geometry Special Triangles

Find x.

• 10

• 10√3

• 10√2

• 20

Find a.

• 12

• 24

• 24√3

• 16

Find a. 

• 2

• 4

• 2/√2

• 2√3

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

What is the rule for a 45-45-90 triangle?

Find x.

• 10

• √3

• 5

• 10√3

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

Find the value of y.

• 7

• 7√3

• 14√3

• (14√3)/3

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

What are u and v in this 30-60-90 triangle?

• v = 2√3 u = 6

• v = 4 u = 4√3

• v = 4 u = 4√2

• v = 4√3 u = 8√3