Determining the Number of Sides in Regular Polygons

What is the formula for the sum of interior angles in a polygon?

• n - 2 * 180

• n * 180

• (n - 2) * 180

• 180n - 360

What formula is used when you know the measurement of one angle in a polygon?

• n - 2 * 180

• 180n - 360

• n * 180

• (n - 2) * 180 / n

What is the first step in solving for the number of sides in a polygon?

• Divide by 180

• Multiply both sides by n

• Subtract 180 from both sides

• Identify the correct formula

What does 'n' represent in the polygon formulas?

• Number of angles

• Number of sides

• Sum of interior angles

• Measure of one interior angle

How do you remove the denominator when solving for 'n' in the equation?

• Add n

• Subtract n

• Multiply by n

• Divide by n

Tags

CCSS.6.EE.B.7

What operation is used to get the variable on one side of the equation?

• Division

• Multiplication

• Subtraction

• Addition

Tags

CCSS.6.EE.B.7

After isolating 'n', what is the next step to find its value?

• Apply the distributive property

• Subtract 'n' from both sides

• Add 360 to both sides

• Divide by the coefficient of 'n'

Tags

CCSS.7.EE.B.4A

What mathematical operation is initially used to eliminate the denominator in the equation?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.6.EE.B.7

What is the result of solving the equation for 'n'?

• n = 4

• n = 7

• n = 5

• n = 6

Tags

CCSS.4.MD.A.2

What type of polygon is formed when each interior angle measures 108°?

• Triangle

• Quadrilateral

• Hexagon

• Pentagon

Tags

CCSS.2.G.A.1