What does the term 'perimeter' refer to in geometry?

• The length of one side of a shape

• The distance around a shape

• The area inside a shape

• The number of sides a shape has

How do you calculate the perimeter of a rectangle with sides of 5 meters and 10 meters?

• 5 + 5 + 10 + 10

• 5 + 10

• 2 * (5 + 10)

• 5 * 10

Tags

CCSS.4.MD.A.3

What is the perimeter of a regular polygon with 6 sides, each 4 cm long?

• 4 cm

• 6 cm

• 10 cm

• 24 cm

Tags

CCSS.3.MD.D.8

If a polygon has sides of 4 inches, 5 inches, and 6 inches, what is the missing side length if it's the sum of two known sides?

• 15 inches

• 11 inches

• 10 inches

• 9 inches

Why is it important to include units when stating the perimeter?

• To make the number look bigger

• To specify the type of measurement

• To confuse the reader

• Units are not important