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 cm?

Back

20 cm (P = 4 x side length).

Front

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

Back

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

Front

What is the perimeter of a parallelogram with opposite sides measuring 6 m and 4 m?

Back

20 m (P = 2(length + width) = 2(6 + 4)).

Front

What is the perimeter of an octagon?

Back

The perimeter of an octagon is found by adding the lengths of all 8 sides.

Front

If one side of a rectangle is 10 m and the other is 5 m, what is the perimeter?

Back

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

Front

What is the perimeter of a shape with sides measuring 2 m, 3 m, and 4 m?

Back

9 m (2 + 3 + 4 = 9).

Front

How do you find the perimeter of a regular polygon?

Back

Multiply the length of one side by the number of sides.

Front

What is the perimeter of a shape with 4 equal sides measuring 7 cm each?

Back

28 cm (P = 4 x 7).