9.1-9.6

Question 1

What do you use to find the hypotenuse of a 45-45-90 triangle?

Answer 1

Multiply by square root of 2

Question 2

What do you use to find the leg of a 45-45-90 triangle?

Answer 2

Divide by square root of 2

Question 3

Short leg to long leg? (30-60-90)

Answer 3

Multiply by square root of 3

Question 4

Long leg to short leg? (30-60-90)

Answer 4

Divide by square root of 3

Question 5

Short leg to hypotenuse? (30-60-90)

Answer 5

Multiply by 2

Question 6

Hypotenuse to short leg? (30-60-90)

Answer 6

Divide by 2

Question 7

Area of a triangle

Answer 7

A=1/2bh

Question 8

Pythagorean triples

Answer 8

3,4,5
5,12,13
8,15,17
7,24,25

Question 9

How do you decide what triangle it is?

Answer 9

If x^2 + y^2 > z^2 its acute
If x^2 + y^2 < z^2 its obtuse
If x^2 + y^2 = z^2 it’s a right triangle

Question 10

How do you prove it’s a triangle?

Answer 10

If x + y > z

Question 11

How do you find a value in a triangle (ex: x)

Answer 11

Long/ hyp
Short/ hyp
Short/ long

Question 12

How do you find the geometric mean of two numbers?

Answer 12

y/x = x/z

Question 13

How do you find the altitude of a triangle?

Answer 13

Multiply the two base numbers and square root them

Question 14

What is the shortcut for sin, tan, cos?

Answer 14

SOH-CAH-TOA