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 perimeter of a square with each side measuring 5 cm?

Back

20 cm (P = 4 x side length).

Front

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

Back

12 cm (3 + 4 + 5).

Front

What is the perimeter of a regular octagon with each side measuring 3 cm?

Back

24 cm (P = 8 x side length).

Front

What is the formula for the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated as C = 2πr, where r is the radius.

Front

If a rectangle has a length of 10 ft and a width of 4 ft, what is its perimeter?

Back

28 ft (P = 2(10 + 4)).

Front

What is the perimeter of a figure with sides measuring 2 cm, 3 cm, and 4 cm?

Back

9 cm (2 + 3 + 4).

Front

How do you find the missing side length if the perimeter is known?

Back

Subtract the sum of the known sides from the total perimeter.

Front

What is the perimeter of a shape with sides measuring 5 cm, 5 cm, and 10 cm?

Back

20 cm (5 + 5 + 10).