Perimeter and Area Review

Front

What is Area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is Perimeter?

Back

Perimeter is the total distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

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

Back

16 cm sq (Area = side × side = 4 × 4).

Front

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

Back

20 cm (Perimeter = 4 × side = 4 × 5).

Front

If a rectangle has a length of 10 cm and a width of 3 cm, what is its area?

Back

30 cm sq (Area = length × width = 10 × 3).

Front

If a rectangle has a perimeter of 24 cm and a length of 10 cm, what is the width?

Back

2 cm (Perimeter = 2 × (length + width) => 24 = 2 × (10 + width)).

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 cm sq (Area = 1/2 × base × height = 1/2 × 6 × 4).

Front

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

Back

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