Finding area of composite shapes

Front

What is the area of a rectangle?

Back

Area = length × width.

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is a composite shape?

Back

A shape made up of two or more simple shapes.

Front

How do you find the area of a composite shape?

Back

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

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

If a rectangle has a length of 10 units and a width of 5 units, what is its area?

Back

Area = 10 × 5 = 50 units².

Front

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

Back

Area = side × side = 4 × 4 = 16 units².

Front

How do you calculate the area of a parallelogram?

Back

Area = base × height.

Front

What is the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height.

Front

If a composite shape consists of a rectangle (5 units by 3 units) and a triangle (base 3 units, height 4 units), what is the total area?

Back

Area of rectangle = 5 × 3 = 15 units²; Area of triangle = 1/2 × 3 × 4 = 6 units²; Total area = 15 + 6 = 21 units².