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

What is the perimeter of a square with each side measuring 5 cm?

Back

Perimeter = 4 x 5 cm = 20 cm.

Front

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

Back

Perimeter = 3 cm + 4 cm + 5 cm = 12 cm.

Front

What is the perimeter of a figure with sides measuring 6 cm, 7 cm, and 8 cm?

Back

Perimeter = 6 cm + 7 cm + 8 cm = 21 cm.

Front

What is the perimeter of a polygon?

Back

The perimeter of a polygon is the sum of the lengths of all its sides.

Front

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

Back

Perimeter = 2(10 cm + 4 cm) = 28 cm.

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 perimeter of an irregular shape?

Back

Measure the length of each side and add them together.

Front

What is the perimeter of a triangle with sides measuring 7 units, 8 units, and 9 units?

Back

Perimeter = 7 units + 8 units + 9 units = 24 units.