Area and Perimeter

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 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 side length 4 units?

Back

Area = 4 × 4 = 16 square units.

Front

What is the perimeter of a square with side length 3 units?

Back

Perimeter = 4 × 3 = 12 units.

Front

If a triangle has sides of length 5 cm, 7 cm, and 8 cm, what is its perimeter?

Back

Perimeter = 5 + 7 + 8 = 20 cm.

Front

What is the area of a rectangle with a length of 6 units and a width of 2 units?

Back

Area = 6 × 2 = 12 square units.

Front

If a shape has an area of 24 square cm and a length of 6 cm, what is its width?

Back

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

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 × Base × Height.