Area of Irregular Shapes

Front

What is the area of a shape?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is a composite figure?

Back

A composite figure is a shape made up of two or more simple shapes.

Front

How do you find the area of a composite figure?

Back

To find the area of a composite figure, calculate the area of each simple shape and then add them together.

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (cm²), square meters (m²), or square feet (ft²).

Front

What is the area of a square?

Back

Area = side × side.

Front

If a rectangle has a length of 8 cm and a width of 4 cm, what is its area?

Back

Area = 8 cm × 4 cm = 32 cm².

Front

What is the area of a circle?

Back

Area = π × radius².

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

Area = 1/2 × 10 cm × 5 cm = 25 cm².