Area and Perimeter of composite figures

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the definition of area?

Back

Area is the amount of space inside a shape.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: A = length × width.

Front

What is a composite figure?

Back

A composite figure is a shape made up of two or more simple shapes.

Front

How do you find the area of a composite figure?

Back

Calculate the area of each simple shape and then add them together.

Front

How do you find the perimeter of a composite figure?

Back

Add the lengths of all the outer sides of the figure.

Front

What is the formula for the area of a triangle?

Back

A = 1/2 × base × height.

Front

If a rectangular field has a path that is 2 m wide around it, how do you find the area of the path?

Back

Calculate the area of the larger rectangle (field + path) and subtract the area of the field.

Front

What units are used to measure area?

Back

Area is measured in square units, such as cm² or m².