Composite Area

Front

What is a composite area?

Back

A composite area is the total area of a figure that is made up of two or more simple shapes, such as rectangles, triangles, and circles.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

How do you find the area of a composite figure?

Back

1. Break the figure into simple shapes. 2. Calculate the area of each shape. 3. Sum the areas of all 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

What is the area of a triangle with a base of 8 cm and a height of 5 cm?

Back

20 cm².

Front

If a circle has a radius of 3 cm, what is its area?

Back

Approximately 28.27 cm².

Front

What is the area of a shaded region?

Back

The area of the shaded region is the difference between the total area of the figure and the area of the unshaded part.

Front

How do you round an area to the nearest hundredth?

Back

Look at the third decimal place; if it's 5 or more, round up the second decimal place.