Composite figures

Front

What is a composite figure?

Back

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

Front

How do you find the area of a composite figure?

Back

To find the area of a composite figure, divide it into simpler shapes, calculate the area of each shape, and then sum those areas.

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: Area = length × width.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is calculated using the formula: Area = 1/2 × base × height.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: Area = π × radius².

Front

If a rectangle has a length of 5 cm and a width of 4 cm, what is its area?

Back

Area = 5 cm × 4 cm = 20 cm².

Front

If a triangle has a base of 6 cm and a height of 3 cm, what is its area?

Back

Area = 1/2 × 6 cm × 3 cm = 9 cm².

Front

What is the area of a circle with a radius of 3 cm?

Back

Area = π × (3 cm)² ≈ 28.27 cm².

Front

How do you calculate the area of a shaded region in a composite figure?

Back

To calculate the area of a shaded region, find the area of the entire figure and subtract the area of the unshaded part.

Front

What is the importance of units in area measurement?

Back

Units are important in area measurement because they provide a standard for comparing sizes, such as square centimeters (cm²) or square meters (m²).