Triangles

Question 1

Pythagorean theorem can only be used in what kind of triangle

Answer 1

Right Triangle

Question 2

SOH CAH TOA can only be used in what kind of triangle

Answer 2

Right Triangle

Question 3

What is the complimentary of sine in Trigonometric Identity

Answer 3

cosine

Question 4

Pythagorean Identity

Answer 4

1 = sin^2 theta + cos^2 theta

Question 5

What to law to use when unsure of the kind of triangle in question

Answer 5

sine law

Question 6

in any triangle, the ratio of any one side to the side of its opposite angle is ________

Answer 6

constant

Question 7

what value equates to the ratio of sine law

Answer 7

the diameter of its circumscribing circle thus, can also use the diameter of the circle in getting the area

Question 8

what is an included angle?

Answer 8

the angle between two sides

Question 9

cosine law formula

Answer 9

c^2 = a^2 + b^2 - 2ab cos C

Question 10

Area of Triangle Formula

Answer 10

A = 1/2 ab sin C
A = 1/2 ab (for right angle)

Question 11

True or False: Ratio and Proportion can be used in any shape i.e. trapezoid

Answer 11

False, can only be used in triangles