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: Perimeter = 2(length + width).

Front

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

Back

Perimeter = 2(10 + 5) = 30 feet.

Front

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

Back

Perimeter = 4 sides x 4 cm = 16 cm.

Front

What units are used to measure perimeter?

Back

Perimeter is measured in linear units such as feet, meters, or centimeters.

Front

If a shape has a perimeter of 20 cm, what could be the lengths of its sides?

Back

Possible lengths could be 5 cm, 5 cm, 5 cm, and 5 cm (for a square) or 10 cm and 5 cm (for a rectangle).

Front

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

Back

Perimeter = 3 + 4 + 5 = 12 cm.

Front

Why is it important to know the perimeter of a shape?

Back

Knowing the perimeter helps in tasks like fencing, framing, and understanding the size of an area.

Front

What is the perimeter of a rectangle that is 8 meters long and 3 meters wide?

Back

Perimeter = 2(8 + 3) = 22 meters.

Front

If a fence surrounds a rectangular garden that is 12 feet long and 9 feet wide, what is the total length of the fence?

Back

Perimeter = 2(12 + 9) = 42 feet.