Right Triangle Trigonometry and Applications

From ∠C, what side is AB?

• Adjacent
• Hypotenuse
• Opposite

From ∠A, what side is AB?

• Adjacent
• Hypotenuse
• Opposite

True or False?  The side opposite the 90 degree angle is ALWAYS the Hypotenuse.

• True
• False

What is the best way to remember your trig ratios?

• SOH CHA TAO
• SOH CAH TOA
• SAH COH TOA
• SOH CAH TAO

Which is the ratio of the opposite leg to the hypotenuse in a right triangle?

• sine
• cosine
• tangent
• secant

Which is the ratio of the opposite leg to the adjacent leg in a right triangle?

• sine
• cosine
• tangent
• secant

Find the ratio for sinA. (Reduce the fraction)

• 36/27
• 4/5
• 36/45
• 3/5

Find the ratio for tanA. (Reduce the fraction)

• 36/27
• 4/5
• 3/4
• 4/3

Find the measure of the missing side. Round your answer to the nearest tenth.

• x = 8.6
• x = 6.9
• x = 8.1
• x = 11.0

Find the measure of the missing side. Round your answer to the nearest tenth.

• x = 9.1
• x = 12.9
• x = 24.8
• x = 4.7