Perimeter

Front

What is the perimeter?

Back

The perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a square with each side measuring 5 units?

Back

20 units (P = 4 x side length).

Tags

CCSS.4.MD.A.3

Front

If a triangle has sides measuring 3 units, 4 units, and 5 units, what is its perimeter?

Back

12 units (3 + 4 + 5).

Tags

CCSS.3.MD.D.8

Front

What is the perimeter of a polygon?

Back

Add the lengths of all its sides.

Tags

CCSS.3.MD.D.8

Front

Farmer Bob needs to build a fence around a rectangular area that is 40 feet long and 20 feet wide. How many feet of fence does he need?

Back

120 feet (P = 2(40 + 20)).

Tags

CCSS.4.MD.A.2

Front

What is the perimeter of a rectangle with a length of 10 cm and a width of 5 cm?

Back

30 cm (P = 2(10 + 5)).

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a triangle with sides measuring 7 units, 8 units, and 9 units?

Back

24 units (7 + 8 + 9).

Tags

CCSS.3.MD.D.8

Front

If a square has a perimeter of 24 units, what is the length of one side?

Back

6 units (P = 4 x side length, so side = 24/4).

Tags

CCSS.4.MD.A.3

Front

What is the perimeter of a regular pentagon with each side measuring 6 units?

Back

30 units (5 x 6).

Tags

CCSS.3.MD.D.8