Special Right Triangles and Sohcahtoa Precalculus

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

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

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

• 4√2

• 4

• 8

• 4√3

What is the measure of side b?

• 5

• 10√2

• 5√2

Find x.

• 10

• 5

Solve for x. Round to the nearest whole number.

• 19

• 20

• 21

• 22

Which trig function would you use with this diagram?

• ^Sin

• ^Cos

• ^Tan

• ^Wha??

Choose the correct ratio you could use to solve for "x".

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

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

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x