Sohcahtoa Special Triangles

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 cos A

• 30/16

• 30/34

• 30/15

• 16/34

Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

Find the measure of the missing angle to the nearest degree.

• 64^o

• 26^o

• 61^o

• .008^o

How would you set up an equation for x?

• sin 29 = 8/x

• sin 29 = x/8

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2

• Use the same length for the second leg

• Multiply that leg by √2

• Divide that leg by √2

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

Choose the correct values for x and y in the right triangle.

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft

• 65 ft

• 74 ft

• 87 ft