Areas of Composite Figures and Circles A

Front

What is the area of a composite figure?

Back

The area of a composite figure is the total space inside the figure, which can be found by adding the areas of its individual shapes.

Front

What does area mean?

Back

The amount of space inside a shape.

Front

What is the formula for finding the area of a rectangle?

Back

A = l•w, where l is the length and w is the width.

Front

What is the formula for finding the area of a triangle?

Back

A = 1/2 • b • h, where b is the base and h is the height.

Front

What is the formula for finding the area of a circle?

Back

A = πr², where r is the radius of the circle.

Front

What is the circumference of a circle?

Back

The distance around the circle, calculated as C = 2πr or C = πd, where d is the diameter.

Front

How do you find the area of a trapezoid?

Back

A = 1/2 • (b1 + b2) • h, where b1 and b2 are the lengths of the two bases and h is the height.

Front

What is a composite figure?

Back

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

Front

How do you find the area of a composite figure?

Back

Find the area of each individual shape and then add them together.

Front

What is the relationship between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.