Right Triangle Trigonometry to Solve Problems Using Right Triangles

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these

How would you find "x" in the diagram?

• Multiply 15 by 2.

• Divide 15 by 2.

• Multiply 15 by √3.

• Divide 15 by √3.

Which trig ratio or function should you use to find the value of "h"?

• sine

• cosine

• tangent

• an inverse trig function

Which trig ratio or formula should you use to find "b"?

• sin(25)

• cos(25)

• tan(25)

• Pythagorean Theorem

Which trig ratio or formula should you use to find "c"?

• sin(25)

• cos(25)

• tan(25)

• Pythagorean Theorem

How would you find "x" in this Special Right Triangle?

• Divide 10 by 2.

• Multiply 10 by 2.

• Multiply 10 by √3

• Divide 10 by √3

Consider angle B in the diagram below. What is the length of "opposite side" to angle B?

• 6

• 8

• 10

• not possible to determine

Consider angle B in the diagram below. What is the length of "adjacent side" to angle <B?

• 6

• 8

• 10

• not possible to determine

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

To find the missing side length in the diagram, use the Pythagorean Theorem.

• True

• False