Area & Perimeter of Irregular Figures

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of an irregular figure?

Back

Add the lengths of all the sides together.

Front

What is the area of a shape?

Back

The 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.

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (cm²) or square meters (m²).

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

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

Area = 5 cm × 3 cm = 15 cm².

Front

If a shape has sides measuring 4 cm, 6 cm, and 8 cm, what is the perimeter?

Back

Perimeter = 4 cm + 6 cm + 8 cm = 18 cm.