Applying properties of polygons

Apply the formula to find the measure of each interior angle of a regular octagon.

• 120 degrees

• 150 degrees

• 135 degrees

• 90 degrees

What is the value of x?

• 540

• 108

• 40

• 85

• 114

What is the measure of one interior angle of a regular nonagon?

• 140 degrees

• 90 degrees

• 100 degrees

• 1,260 degrees

What is the sum of the interior angles of any quadrilateral?

What is the sum of the interior angles for a 24-gon?

• 3960

• 360

• 15

• 4280

What is the formula to find an interior angle of a regular polygon?

• $\frac{\left(n-2\right)\cdot180}{n}$

• $\left(n-2\right)\cdot180$

• $\left(n-2\right)$

• $\frac{\left(n-2\right)}{n}$

Find the sum of the interior angles for the polygon.

Find angle x

• 247^o

• 67^o

• 157^o

• 203^o

The formula for the measure of an interior angle of a regular polygon is

How many sides does a polygon have if the sum of the measures of the interior angles is 900º?

• 6

• 7

• 8

• 9