Perimeter

Front

What is perimeter?

Back

The 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 operation do you use when finding the perimeter?

Back

Addition.

Front

If a square has a side length of 5 cm, what is its perimeter?

Back

20 cm (5 cm + 5 cm + 5 cm + 5 cm).

Front

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

Back

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

Front

Mrs. Ibarra wants to build a wall around her desk. If the desk is 20 m long and 17 m wide, what is the total perimeter for the wall?

Back

74 m (20 m + 20 m + 17 m + 17 m).

Front

What do you need to calculate the perimeter of a shape?

Back

The lengths of all the sides of the shape.

Front

If a display board is 10 m long and 5 m wide, what is the perimeter?

Back

30 m (10 m + 10 m + 5 m + 5 m).

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

If you place a ribbon around a display board, what measurement do you require?

Back

Perimeter.