Proofs

Question 0

When 2 values are equal

Answer 0

Transitive Properties

Question 1

How many degrees in a straight line?

Answer 1

180° (Supplementary angles)

Question 2

F theorem

Answer 2

Corresponding angles (only if parallel)

Question 3

Z theorem

Answer 3

Alternate interior angles (only if parallel)

Question 4

2 exterior angles on opposite sides

Answer 4

Alternate exterior angles (top of Z theorem) (only if parallel)

Question 5

Ｃ theorem/ straight line

Answer 5

Supplementary/ Adds up to 180° (only if parallel)

Question 6

Number of triangles

Answer 6

Is the number of sides(n) minus 2

n-2

Question 7

Sum of all interior angle measures

Answer 7

Is the number of triangles multiplied by 180°

Question 8

Measure of each individual interior angle (regular)

Answer 8

Sum of angle measures divided by the number of sides
180° x (n-2)
–––––––––––
n

Question 9

Side,Side,Side

Answer 9

1 triangle, as long as the 2 smaller sides add up to more then the larger side

Question 10

Side, Angle, Side

Answer 10

1 triangle

Question 11

Angle, Angle, Angle

Answer 11

Infinite number of similar triangle

Question 12

Angle, Angle, Side

Answer 12

2 triangles if the side(a) is bigger than hight, and smaller than side(b)
0 triangles if side(a) is shorter than height
1 triangle if side(a) is bigger than side(b)