Perimeter

Front

What is perimeter?

Back

The distance around the outside of a shape.

Front

How do you find the perimeter of a rectangle?

Back

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

Front

If a rectangle has a length of 10 inches and a width of 5 inches, what is its perimeter?

Back

30 inches.

Front

What is the perimeter of a square with each side measuring 4 inches?

Back

16 inches.

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Front

If the perimeter of a triangle is 24 inches and two sides are 8 inches and 6 inches, what is the length of the third side?

Back

10 inches.

Front

What is the perimeter of a polygon?

Back

The sum of the lengths of all its sides.

Front

If a shape has sides measuring 3 inches, 4 inches, and 5 inches, what is its perimeter?

Back

12 inches.

Front

What is the perimeter of a rectangle with a length of 12 feet and a width of 3 feet?

Back

30 feet.

Front

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

Back

15 inches.