Trig Unit Pythagorean Theorm and Trig Ratios

Multiple Choice

The Pythagorean Theorem ONLY works on which triangle? 

• Obtuse

• Right

• Acute

• Isosceles

Multiple Choice

What is the side of a right triangle across from the right angle called?

• Square

• Arm

• Leg

• Hypotenuse

Multiple Choice

If a right triangle has side lengths 6, 6.7 and 3, which side is the hypotenuse?

• 6

• 6.7

• 3

• Not enough information

Multiple Select

What is the final step in solving this work for c?
a² + b² = c²
3² + 4² = c²
9 + 16 = c²
25 = c²

• Divide both sides by 2

• Take the square root of both sides

• 25 IS the final answer

Multiple Choice

Solve for the value of y

• 13

• 5

• 23

• 10

Labelling

Label each side of the right triangle.

Drag labels to their correct position on the image

Leg

Leg

Hypotenuse

Multiple Choice

Which side is adjacent to angle x?

• 1
• 2
• 3

Multiple Choice

Which side is opposite angle x?

• 1
• 2
• 3

Multiple Choice

Which side is the hypotenuse?

• 1
• 2
• 3

Multiple Choice

What is the ratio for Sine?

• $$\frac{hyp}{opp}$$

• $$\frac{opp}{hyp}$$

• $$\frac{opp}{adj}$$

• $$\frac{adj}{opp}$$

Multiple Choice

What is the ratio for Cosine?

• $$\frac{opp}{hyp}$$

• $$\frac{opp}{adj}$$

• $$\frac{adj}{opp}$$

• $$\frac{adj}{hyp}$$

Multiple Choice

What is the ratio for Tangent

• $$\frac{opp}{hyp}$$

• $$\frac{adj}{opp}$$

• $$\frac{opp}{adj}$$

• $$\frac{hyp}{opp}$$

Multiple Choice

Which trig function would you use to solve for x?

• $$\sin40=\frac{x}{19}$$

• $$\cos40=\frac{x}{19}$$

• $$\tan40=\frac{x}{19}$$

Multiple Choice

Which trig function would you use to solve for x?

• $$\sin37=\frac{11}{x}$$

• $$\cos37=\frac{11}{x}$$

• $$\tan37=\frac{11}{x}$$

Multiple Choice

Solve for x. Round to the nearest tenth.

• 103.5
• 4.7
• 55.0
• 23.4

Multiple Choice

Select the correct ratio for SinA

• $$\frac{37}{35}$$

• $$\frac{12}{35}$$

• $$\frac{35}{37}$$

• $$\frac{12}{37}$$

Multiple Choice

Select the correct ratio for TanC

• $$\frac{20}{15}$$

• $$\frac{15}{20}$$

• $$\frac{20}{25}$$

• $$\frac{15}{25}$$