Unit 8 Polygon Bonus

In rectangle GHJK solve for x.

• 25
• 65
• 17
• 5

The diagonals of a rectangle are

• parallel

• congruent

• perpendicular

• not congruent

Given Rhombus TUVW. Find m∠4.

• 62
• 28
• 90
• 78

Find the value of x if m∠CDA = 9x+3 and m∠EDA = 6x+15.

• 39
• 4
• 4.8
• -4

If the sum of the interior angles of a polygon is 2340°, how many sides does the polygon have?

• A. 11 sides

• B. 13 sides

• C. 15 sides

• D. 16 sides

What is the sum of the measures of the interior angles of a 27-gon?

• A. 4860°

• B. 4500°

• C. 5220°

• D. 166.7°

If the polygon shown below is a regular nonagon, what is the value of x?

• 40

• 90

• 45

• 60

Find m∠DCE.

• 56

• 48

• 62

• 44

If each interior angle of a regular polygon measures 168°, how many sides does the polygon have?

• A. 12 sides

• B. 30 sides

• C. 25 sides

• D. 15 sides