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

If a shape has a perimeter of 24 m and is a square, what is the length of one side?

Back

6 m (P = 4 x side length, so side = P/4).

Front

What is the perimeter of a hexagon with each side measuring 6 yd?

Back

36 yd (6 sides x 6 yd each).

Front

How do you find the perimeter of a trapezoid?

Back

Add the lengths of all four sides.

Front

What is the perimeter of a trapezoid with sides measuring 5 m, 7 m, 4 m, and 6 m?

Back

22 m (5 + 7 + 4 + 6).

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

How do you calculate the circumference of a circle?

Back

Use the formula: C = 2πr, where r is the radius.