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 perimeter of a composite figure?

Back

To find the perimeter of a composite figure, add the lengths of all the outer sides of the figure.

Front

What is the formula for 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

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

How do you calculate the area of a composite figure?

Back

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

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × radius.

Front

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

Back

To find the area of a shaded region, calculate the area of the larger shape and subtract the area of the unshaded part.

Front

What is the relationship between diameter and radius in a circle?

Back

The diameter is twice the length of the radius (Diameter = 2 × radius).

Front

What is the formula for the area of a semicircle?

Back

Area = (1/2) × π × radius².