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: P = 2(length + width).

Front

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

Back

20 cm (P = 4 x side length).

Front

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

Back

12 cm (3 + 4 + 5).

Front

What is the perimeter of a trapezoid with sides measuring 10 yd, 12 yd, 8 yd, and 14 yd?

Back

44 yd (10 + 12 + 8 + 14).

Front

What is the perimeter of an octagon?

Back

The perimeter of an octagon is found by adding the lengths of all 8 sides.

Front

If one side of a pentagon is 5 m and all sides are equal, what is the perimeter?

Back

25 m (5 m x 5 sides).

Front

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

Back

21 cm (6 + 7 + 8).

Front

What is the formula for the perimeter of a circle?

Back

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

Front

What is the perimeter of a shape with sides measuring 4 m, 4 m, 4 m, and 4 m?

Back

16 m (4 + 4 + 4 + 4).