Perimeter

Front

What is perimeter?

Back

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 perimeter of a square with each side measuring 5 inches?

Back

20 inches (P = 4 x side length).

Front

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

Back

12 inches (3 + 4 + 5 = 12).

Front

What is the perimeter of a trapezoid with sides measuring 5 in, 7 in, 6 in, and 5 in?

Back

23 inches (5 + 7 + 6 + 5 = 23).

Front

What is the perimeter of a pentagon?

Back

Add the lengths of all five sides.

Front

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

Back

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

Front

What is the perimeter of a shape with equal sides measuring 4 cm each?

Back

16 cm (P = 4 x 4).

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

How do you find the perimeter of an irregular shape?

Back

Measure the length of each side and add them together.