Polygons

Question 1

Triangle

Answer 1

1. Sum of interior angle measures: 180 degrees
2. Three sides

Question 2

Quadrilateral

Answer 2

1. Sum of interior angle measures: 360 degrees
2. Four sides

Question 3

Pendegon

Answer 3

1. Sum of interior angle measures: 540 degrees
2. Five sides

Question 4

Hexagon

Answer 4

1. Sum of interior angle measures: 720 degrees
2. Six sides

Question 5

Haptengon

Answer 5

1. Sum of interior angle measures: 900 degrees
2. Seven sides

Question 6

Octagon

Answer 6

1. Sum of interior angle measures: 1080 degrees
2. Eight sides

Question 7

Nonagon

Answer 7

1. Sum of interior angle measures: 1260 degrees
2. Nine sides

Question 8

Decagon

Answer 8

1. Sum of interior angle measures: 1440 degrees
2. Ten sides

Question 9

Hendecagon

Answer 9

1. Sum of interior angle measures: 1620 degrees
2. Eleven sides

Question 10

Dodecagon

Answer 10

1. Sum of interior angle measures: 1800 degrees
2. Twelve sides

Question 11

To find the sum of interior angle measure a polygon…

Answer 11

You subtract the number of sides by two than multiple it by 180:
(n-2) x 180

Question 12

If every angle of the polygon is congruent how do you find one angle?

Answer 12

You divide the sum of interior angles by the number of sides