Solving Triangles Using Trigonometric Ratios

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 49°

• 57°

• 45°

• 54°

Solve for the missing angle

• 50.5 degrees

• 12.7 degrees

• 36.9 degrees

• 72.2 degrees

If you are given the opposite leg and hypotenuse, which trig ratio should you use?
(a)  

• sine

• cosine

• tangent

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

Using the information given, solve for side a.

• 8.2

• 2.8

• 1.1

• 1.0

Using the information given, solve for side c.

• 3.2

• 2.8

• 8.8

• 1.0

Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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