Area of Composite Shapes

Front

What is 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

How do you find the area of a composite shape?

Back

Divide the shape into simpler shapes, calculate their areas, and then sum them up.

Front

What is the area of a square?

Back

Area = side × side

Front

What is the unit of area in the metric system?

Back

Square meters (m²) or square centimeters (cm²)

Front

What is the area of a circle?

Back

Area = π × radius²

Front

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

Back

Area = 10 cm × 5 cm = 50 cm²

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

Area = 1/2 × 6 cm × 4 cm = 12 cm²

Front

What is the area of a composite shape made of a rectangle (4 cm by 3 cm) and a triangle (base 4 cm, height 3 cm)?

Back

Area = (4 cm × 3 cm) + (1/2 × 4 cm × 3 cm) = 12 cm² + 6 cm² = 18 cm²

Front

What is the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height