Find Missing Side Using Trig Ratios

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

Find the length of the missing side. Round your answer to the nearest 10th.

Mathematical Equivalence

OFF

Use the Trig Toolkit to find the missing side length, y. Choose your answer from the dropdown menu below.

ANSWER: ​ (a)  

• y = 20

• y = 70

• y = 50

What is the correct equation?

​ (a)   = ​ (b)   /​ ​ (c)  

• Sin(40)

• w

• 28

• Cos (40)

• tan 40

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

• any type

• right triangle

• obtuse triangle

• acute triangle

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

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Find the length of side AC.

• 25.4

• 24.7

• 29.2

• 28.3

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

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