Finding Perimeters

Front

What is Perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you find 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).

Front

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

Back

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

Front

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

Back

9 cm (2 + 3 + 4 = 9).

Front

What is the formula for the perimeter of a circle?

Back

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

Front

If a square has a perimeter of 32 cm, what is the length of one side?

Back

8 cm (Perimeter = 4 x side length, so side length = 32/4).

Front

What is the perimeter of a rectangle with a length of 10 cm and a width of 5 cm?

Back

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

Front

If a polygon has sides measuring 6 in, 7 in, and 8 in, what is the perimeter?

Back

21 in (6 + 7 + 8 = 21).

Front

What is the perimeter of a figure with four equal sides measuring 4 m each?

Back

16 m (Perimeter = 4 x 4).