Show:
Pythagorean Theorem
Special Right Triangles
Trig Ratios Part 1
Trig Ratios Part 2
Miscellaneous
100

Which side of your triangle has to be the "c" of the Pythagorean Theorem formula?

The hypotenuse

100

Which of these is NOT one of the special right triangles we learned about?

A. 30-60-90

B. 60-60-60

C. 45-45-90

B. 60-60-60

100

Sine = ? / ?

Opposite Leg / Hypotenuse

100

Tangent = ? / ?

Tangent = Opposite Leg / Adjacent Leg

100

What is the acronym we use to remember the 3 trig functions: sine, cosine and tangent

SOH CAH TOA

200

What is the formula for the Pythagorean Theorem?

a2 + b2 = c2

200

Look at Figure 3.  What is the value of x?

x = 7

200

Cos(X) = 18 / 25

In the above equation, what operation would cancel out the cosine attached to the "X".

Cos-1 (Inverse of Cosine)

200

Which of the following equations would be used to solve for a side of a triangle?

A. Sin(x) = 14 / 21

B. Tan(42) = 25 / x

B. Tan(42) = 25/x

200

Look at Figure 7.  What is the value of X?

x = 18

300

Look at Figure 1.  What equation would you use to solve for x?

82 + x2 = 182  or x2 + 82 = 182

300

Look at Figure 4.  What is the value of X?

x = 5

300

Look at Figure 8.

What equation would I use to solve for X?

Sin(32) = 6 / X

300

Look at Figure 9. What equation would I use to solve for x?

Cos(15) = x / 17

300

Given the following 3 lengths, what type of triangle would you have if those 3 sides formed a triangle:

3, 6, 9

A. Right

B. Acute

C. Obtuse

D. Not a Triangle

D. Not a Triangle

400

Given the following 3 lengths, what type of triangle would you have if those 3 sides formed a triangle:

7, 8, 14

A. Right

B. Acute

C. Obtuse

D. Not a Triangle

C. Obtuse

400

Look at Figure 5.  What is the value of x?

x = 14

400

Look at Figure 12.  What is the Sin A in simplest form?

3 / 5

400

Look at Figure 12.  What is the Cos C in simplest form?

3 / 5

400

Given the following 3 lengths, what type of triangle would you have if those 3 sides formed a triangle:

10, 12, 15

A. Right

B. Acute

C. Obtuse

D. Not a Triangle

B. Acute

500

Look at figure 2.  What does X equal? (Rounded to the nearest tenth)

7.3

500

Look at Figure 6.  What is the value of x?

10 times the square root of 2

500

Look at figure 10.  

What is the value of X?

66.4 Degrees

500

Look at Figure 11.  

What is the value of X?

7.1

500

Look at Figure 12.  What is the Sin B?

It doesn't exist.  Trig functions are only used on the acute angles of a right triangle.