The LessonThe area of a rectangle is found using the formula:
In this formula, b is the length of the base of the rectangle and h is the height of the rectangle. The image below shows what we mean by the length of the base and the height:
How to Find the Area of a RectangleFinding the area of a rectangle is easy.
QuestionWhat is the area of a rectangle with a base of 8 cm and a height of 5 cm, as shown below?
Start with the formula:
Area = bhDon't forget: bh = b × h
Substitute the length of the base and the height into the formula. In our example, b = 8 and h = 5.
Area = 8 × 5 = 40 cm2
Answer:The area of the rectangle with a base of 8 cm and a height of 5 cm is 40 cm2.
"Find the Area" Widget
- Click on the shape you're learning about.
- Click on the pad to start.
- Follow the instructions in the bottom-left corner.
- On the last click, the formula, workings, and answer will appear in the yellow box.
- Good luck!