Right Triangle Trigonometry Missing Angle

• A
• B
• C
• D

Choose the correct ratio.

• cos(57)=x/20

• sin(57)=x/20

• cos(57)=20/x

• sin(57)=20/x

• A
• B
• C
• D

• A
• B
• C
• D

Students are trying to determine the height of the flagpole at Arlington High. They have measured out a horizontal distance of 40 feet from the flagpole and site the top of it at an angle of elevation of 52 degrees. Which below is closest to the height, h, of the flagpole?

• 31.5 feet

• 24.6 feet

• 51.2 feet

• 57.4 feet

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706

• .8824

• .5333

• 1.875

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x