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, circles, etc.

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

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 find the perimeter of a composite figure?

Back

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

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Front

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

Back

π (pi) is approximately 3.14.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place; if it is 5 or more, round up the tenths place by one.