Solve for the 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: Perimeter = 2(length + width).

Front

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

Back

20 cm (Perimeter = 4 x side length = 4 x 5 cm).

Front

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

Back

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

Front

What units are used to measure perimeter?

Back

Common units include meters (m), centimeters (cm), kilometers (km), inches (in), and yards (yd).

Front

What is the perimeter of a shape with sides measuring 6 m, 7 m, and 8 m?

Back

21 m (Perimeter = 6 m + 7 m + 8 m).

Front

How do you find the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated using the formula: Circumference = 2πr, where r is the radius.

Front

What is the perimeter of a rectangle with a length of 10 m and a width of 4 m?

Back

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

Front

If a shape has a perimeter of 30 cm and one side is 10 cm, what is the total length of the other three sides?

Back

20 cm (Total length of other sides = 30 cm - 10 cm).

Front

What is the perimeter of a shape with four equal sides measuring 2 m each?

Back

8 m (Perimeter = 4 x 2 m).