Area of Composite Shapes

Front

What is the area of a rectangle with a length of 10 cm and a width of 5 cm?

Back

50 cm²

Front

Define the term 'composite shape'.

Back

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

Front

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

Back

Area = 1/2 × base × height.

Front

Calculate the area of a circle with a radius of 7 cm.

Back

Area = π × (7 cm)² ≈ 153.94 cm².

Front

What is the diameter of a circle if the radius is 4 cm?

Back

Diameter = 2 × radius = 8 cm.

Front

Find the area of a square with a side length of 6 cm.

Back

Area = side × side = 36 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 = rectangle area + triangle area = 12 cm² + 6 cm² = 18 cm².

Front

What is the formula for the area of a trapezoid?

Back

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

Front

If a circle has a diameter of 10 m, what is its area?

Back

Area = π × (5 m)² ≈ 78.54 m².

Front

What is the area of a composite figure that includes a rectangle (5 cm by 10 cm) and a semicircle with a diameter of 10 cm?

Back

Area = rectangle area + semicircle area = 50 cm² + 39.27 cm² ≈ 89.27 cm².