Identifying Trigonometric Right Triangle

Which side is my hypotenuse?

• 9

• 12

• 15

Which side is opposite angle A?

• 9

• 12

Which trig ratio would I use to solve for the unknown side?

• sin

• cos

• tan

Which trig ratio would I use to solve for the unknown side?

• sin

• cos

• tan

How would I set up the equation to solve for x?

• cos (25) = 18 / x

• cos (25) = x / 18

How would I set up the equation to solve for x?

• sin (37) = 17 / x

• sin (37) = x / 17

SOLVING TRIG RATIOS:

Use your calculator to solve for x. Round your answer to the nearest tenth.

• 12.6

• 9.4

A fire department's rescue ladder is safe at 72 degrees. If a fire department's ladder is 110 feet, what is the maximum height from which the fire department can safely rescue someone?

• 104.6 feet

• 4.6 feet

What is the value of x?

• 17.30

• 11.33

• 0.06

• 23.82

What is the value of x?

• 25

• 13.23

• 5.36

• 625