Finding a Missing Side of a Right Triangle Using Sin Cos Tan

Write sin C as a simplified fraction.

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

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The ratio in a right triangle of adjacent to hypotenuse is _____

• sine

• cosine

• tangent

• hypotenuse

What is the correct ratio set up for finding the tangent of Angle A? Remember: Tangent = opposite/adjacent

• 20/12

• 12/20

• 12/16

• 16/12

A pilot looks down and sees the runway approaching. The angle between the plane's diagonal and vertical line of sight is 80°. If the horizontal distance between the plane and the runway is 8000 feet, what is the height of the plane?

• 1410.6

• 1389.2

• 5671.3

• 7878.5

Sine of an angle is the ratio of which side lengths of a right triangle?

• Opposite/Adjacent

• Opposite/Hypotenuse

• Adjacent/Opposite

• Adjacent/Hypotenuse

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Solve for the missing distance. This is a right triangle.

• 18.9

• 19.5

• 47

• 27.5

I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by 2