Area and Perimeter Complex Figures

Front

What is the definition of perimeter?

Back

The perimeter is the total distance around the outside of a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the definition of area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is a composite shape?

Back

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

Front

How do you find the area of a composite shape?

Back

Calculate the area of each simple shape and then sum them up.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you calculate the perimeter of a composite shape?

Back

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

Front

What units are used for measuring area?

Back

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

Front

What units are used for measuring perimeter?

Back

Perimeter is measured in linear units, such as cm, m, etc.