Area and Perimeter

Front

What is the perimeter of a shape?

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).

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Front

If a rectangle has a length of 5 inches and a width of 3 inches, what is its perimeter?

Back

P = 2(5 + 3) = 16 inches.

Front

What is the perimeter of a triangle with sides measuring 3 inches, 4 inches, and 5 inches?

Back

P = 3 + 4 + 5 = 12 inches.

Front

What is the perimeter of a pentagon with sides measuring 2 inches each?

Back

P = 2 + 2 + 2 + 2 + 2 = 10 inches.

Front

If the perimeter of a shape is 20 inches and one side is 5 inches, what is the total length of the other sides?

Back

The total length of the other sides is 20 - 5 = 15 inches.

Front

What is the missing side length if the perimeter of a rectangle is 30 inches and one side is 10 inches?

Back

The total length of the other side is 30 - 10 = 20 inches.

Front

What is the perimeter of a shape with sides measuring 4 inches, 6 inches, and 8 inches?

Back

P = 4 + 6 + 8 = 18 inches.

Front

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

Back

Side length = 24 ÷ 4 = 6 inches.