Special Right Triangles Sin Cos

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

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

Find x - the length of the hypotenuse of the triangle.

• 5

• 5√2

• 10

• 5√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 x, y, & z... x=​ (a)   y=​ (b)   ​z= (c)  

• 12 Radical 2

• 12/Radical 3

• 4 Radical 3

• 12

• 12 Radical 3

Find x, y, & z... x=​ (a)   y=​ (b)   ​z= (c)  

• 12 Radical 2

• 12/Radical 3

• 4 Radical 3

• 12

• 12 Radical 3

Find a.

• 3

• 6

Find x.

• 10

• 20

Which side is the long leg in this 30-60-90 triangle? (not the hypotenuse)

• 4

• u

• v

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral