Perimeter and Area

Front

What is the definition of area?

Back

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

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a shape, measured in units.

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its area?

Back

Area = 5 × 4 = 20 square units.

Front

If a rectangle has a length of 6 units and a width of 3 units, what is its perimeter?

Back

Perimeter = 2 × (6 + 3) = 18 units.

Front

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

Back

Area = 4 × 4 = 16 square units.

Front

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

Back

Perimeter = 4 × 4 = 16 units.

Front

If a rectangle has an area of 24 square units and a width of 4 units, what is its length?

Back

Length = Area ÷ Width = 24 ÷ 4 = 6 units.

Front

What is the area of a triangle with a base of 5 units and a height of 4 units?

Back

Area = 1/2 × base × height = 1/2 × 5 × 4 = 10 square units.