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

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

Back

P = 4 sides × 4 cm = 16 cm.

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 cm, 4 cm, and 5 cm?

Back

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

Front

What is the perimeter of a hexagon?

Back

Add the lengths of all six sides.

Front

If each side of a regular hexagon measures 5 yd, what is its perimeter?

Back

P = 6 sides × 5 yd = 30 yd.

Front

What is the perimeter of a parallelogram?

Back

P = 2(base + height) or add the lengths of all four sides.

Front

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

Back

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