Polygons

After drawing in the apothem, how do you calculate the measure of the angle?

• 360÷6

• 540÷5

• 360÷5

• 360÷5÷2

Find the length of the apothem

• 3.236

• 4.944

• 2.351

• 6.805

In a regular polygon, the line from the center to an outer vertice is a(n)

• Apothem

• Central Angle

• Radius

• Regular Polygon

In a regular polygon the line from the center to the mid-point of an outer side is a(n)

• Radius

• Central Angle

• Sine

• Apothem

A line from the center of a regular polygon at right angles to any of its sides.

• apothem

• radius

• permimeter

• area

The apothem of a 40-sided regular polygon is 11.4 meters. What is its area if each side measures 1.9 meters?

• 216.6 m²

• 433.2 m²

• 866.4 m²

• 1732.8 m²

REGULAR in Maths means...

• Normal

• Two sides have the same length

• All sides are equal and all angles are equal

• It has right angles

The figure is a parallelogram.  
Solve for x.  

• 1

• 11

• 7

• 6

Calculate the sum of the interior angle measures of a polygon with 16 sides.

• 2880 degrees

• 2520 degrees

• 344 degrees

• 360 degrees

What is the measure of one EXTERIOR angle of a regular octagon?

• 60

• 45

• 1080

• 135