Finding a Side Using Trigonometric Ratio

What is the missing side?

• 20.8

• 19.2

• 23.0

• 17.4

What is the missing side?

• 22.7

• 15.3

• 26.1

• 20.2

What is the missing side?

• 11.1

• 27.3

• 21.2

• 15.3

What is the missing side?

• 21.3

• 16.6

• 24.1

• 10.4

What is the missing side?

• 12.5

• 15.1

• 14.6

• 21.5

What trig function can be used to solve for the missing angle?

• Sine

• Cosine

• Tangent

How do you solve for the missing variable in this triangle?

• Set up a sine ratio, then multiply to solve

• Set up a cosine ratio, then divide to solve.

• Set up a tangent ratio, then divide to solve

• Set up a sine ratio and then use the inverse sine to solve

Annotate the triangle sides using the given trigonometric ratio:

When finding the length of a side in a right triangle, which trigonometric ratio should be used?

• a) Sine

• b) Cosine

• c) Tangent

• d) None of the above

• 72
• 67
• 65
• 54