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

To calculate the perimeter of a rectangle, 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 4 cm?

Back

The perimeter of a square is 16 cm (P = 4 sides x 4 cm).

Front

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

Back

The perimeter of the triangle is 12 cm (3 + 4 + 5 = 12).

Front

What units are used to measure perimeter?

Back

Perimeter is measured in units such as centimeters (cm), meters (m), or inches (in).

Front

What is the perimeter of a circle called?

Back

The perimeter of a circle is called the circumference.

Front

How do you find the circumference of a circle?

Back

To find the circumference, use the formula: C = 2πr, where r is the radius.

Front

What is the perimeter of a rectangle with a length of 5 cm and a width of 3 cm?

Back

The perimeter is 16 cm (P = 2(5 + 3)).

Front

If you double the length of a rectangle, what happens to the perimeter?

Back

If you double the length, the perimeter also increases, becoming twice as large.

Front

What is the relationship between the sides of a rectangle and its perimeter?

Back

The perimeter is directly related to the lengths of the sides; longer sides result in a larger perimeter.