Area and Perimeter

Front

What is the definition of perimeter?

Back

The perimeter is the distance around a two-dimensional 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 formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the area of a square with a side length of 5 cm?

Back

25 square cm (5 cm × 5 cm).

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its perimeter?

Back

28 cm (P = 2(10 cm + 4 cm)).

Front

What is the area of a rectangle with a length of 6 m and a width of 3 m?

Back

18 square meters (6 m × 3 m).

Front

What is the perimeter of a square with a side length of 7 m?

Back

28 m (P = 4 × 7 m).

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

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

If a rectangle has a perimeter of 30 cm and a length of 10 cm, what is its width?

Back

5 cm (P = 2(length + width) => 30 cm = 2(10 cm + width)).