Polygons Test Review

Polygons Test Review

By Jamie Steil

What is a polygon?

• Closed plane figure with 3 or more sides

• Sides may not cross

• Convex: Any diagonal will be interior

• Concave: One or more diagonals will be exterior

Multiple Select

Which of these are polygons? Check all correct answers.

Multiple Select

Which of these polygons are concave? Check all correct answers.

Angle Sum (n is the number of sides)

Multiple Choice

What is the angle sum for a 42-gon?

• 7200°

• 7560°

• 7920°

Multiple Choice

What is the value of x in this image? (Hint: Find the interior angle sum for the quadrilateral first).

• 34°

• 124°

• 146°

• 214°

Exterior Angle Sum of a Polygon

Multiple Choice

Find the missing exterior angle measure for this figure.

• 93°

• 115°

• 123°

• 144°

Multiple Choice

What is the value of x in the following?

• 58°

• 116°

• 122°

• 244°

Multiple Choice

What is the area of this regular polygon?

• 294.75

• 353.7

• 436.23

• 589.5

Multiple Choice

Find the area

• 96 cm²
• 48 cm²
• 36 cm²
• 48 cm

Multiple Choice

What is the area?

• 24 cm²

• 48 cm²

• 120 cm²

• 240 cm²