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 rectangle with a length of 5 in and a width of 3 in?

Back

P = 2(5 in + 3 in) = 16 in.

Front

How do you calculate the perimeter of a triangle?

Back

Add the lengths of all three sides.

Front

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

Back

P = 3 ft + 4 ft + 5 ft = 12 ft.

Front

What is the perimeter of a square?

Back

P = 4 times the length of one side.

Front

What is the perimeter of a square with a side length of 4 cm?

Back

P = 4 x 4 cm = 16 cm.

Front

What is the perimeter of a parallelogram?

Back

P = 2(base + height).

Front

What is the perimeter of a parallelogram with a base of 6 cm and a height of 4 cm?

Back

P = 2(6 cm + 4 cm) = 20 cm.

Front

What is the perimeter of a shape with sides measuring 2 m, 3 m, 5 m, and 4 m?

Back

P = 2 m + 3 m + 5 m + 4 m = 14 m.