Pythagorean Theorem and Trig Ratios and Special Right Triangles

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

• Sine

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft

• 65 ft

• 74 ft

• 87 ft

Which one is the easy way to learn trigonometric ratios?

• Sah Coh Toa

• Soh Cah Toa

• Soh Cah Tao

• Soh Ceh Toa

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• hypotenuse

Round all answers to the nearest tenths.

A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?

• 111.8 yards

• 115 yards

• 127.3 yards

• 119 yards

The pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right