Polygons

High School Math 1 · Unit 14 · polygons-angle-theorems

polygons-angle-theorems

Name ______________________________Date ______________

1.
What is the sum of the interior angles of a hexagon, in degrees?
Answer: ______________
2.
What is the measure of each interior angle of a regular $12$ -gon, in degrees?
Answer: ______________
3.
Each interior angle of a regular polygon measures $156^\circ$ . How many sides does the polygon have?
Answer: ______________
4.
Which statement about quadrilaterals is true?
1. (A)
  Every square is a rhombus
2. (B)
  Every rectangle is a rhombus
3. (C)
  No rhombus is a rectangle
4. (D)
  Every parallelogram is a rectangle
5.
The interior angles of a convex hexagon, in degrees, form an arithmetic sequence with common difference $10$ . What is the measure of the largest angle, in degrees?
1. (A)
  $115$
2. (B)
  $125$
3. (C)
  $135$
4. (D)
  $145$
5. (E)
  $155$