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, circles, and triangles.

Front

How do you find the area of a circle?

Back

The area of a circle is found using the formula A = πr², where r is the radius of the circle.

Front

What is the value of π (pi) used in calculations?

Back

The value of π (pi) is approximately 3.14.

Front

What is the area of a rectangle?

Back

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

Front

How do you find the area of a triangle?

Back

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

Front

What is the formula for the area of a composite figure?

Back

To find the area of a composite figure, calculate the area of each simple shape and then sum them up.

Front

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

Back

The area is 28.26 cm² (using A = πr², A = 3.14 × 3²).

Front

What is the area of a composite figure with an area of 40 cm² and another of 12.5 cm²?

Back

The total area is 52.5 cm² (40 cm² + 12.5 cm²).

Front

How do you calculate the area of a semicircle?

Back

The area of a semicircle is A = 1/2 × πr².

Front

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

Back

The area is 16 cm² (A = side × side, A = 4 cm × 4 cm).