Review of Polygons

Find the area.

• 28 in²

• 56 in²

• 30 in²

• 60 in²

Find the area.

• 374.1 u²

• 439.1 u²

• 166.3 u²

• 665.1 u²

Find the area.

• 77.9 mi²

• 188.1 mi²

• 173.8 mi²

• 347.6 mi²

Find the area.

• 22.6 mi²

• 10.8 mi²

• 16 mi²

• 32 mi²

What is the area of the trapezoid?

• 40

• 22.5 m²

• 26 m²

• 36 m²

A portion of a regular polygon is shown. How many sides does the polygon have?

One exterior angle of a polygon measures 28º.  What is the measure of the interior angle?

• 28º

• 152º

• 13º

• 332º

How many sides does a regular polygon have if each of its interior angles measures 157.5º?

Find the interior angle sum for each polygon. Round your answer to the nearest tenth if necessary.

• A

• B

• C

• D

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

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n