Area of Composite Shapes

Front

What is the radius of a circle?

Back

A line from the center point to the edge of the circle.

Front

What is the formula for the area of a circle?

Back

Area = π × r², where r is the radius.

Front

How do you find the area of a rectangle?

Back

Area = length × width.

Front

What is a composite shape?

Back

A shape made up of two or more simple shapes.

Front

How do you calculate the area of a composite shape?

Back

Find the area of each simple shape and add them together.

Front

What is the diameter of a circle?

Back

A line that crosses through the center and touches each edge.

Front

If the diameter of a circle is 8 meters, what is the radius?

Back

Radius = diameter ÷ 2 = 4 meters.

Front

What is the area of a circle with a radius of 5 cm?

Back

Area = π × (5 cm)² ≈ 78.54 cm².

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the area of a square?

Back

Area = side × side.