{{ stepNode.name }}
| {{ 'ml-lesson-number-slides' | message : article.introSlideInfo.bblockCount}} |
| {{ 'ml-lesson-number-exercises' | message : article.introSlideInfo.exerciseCount}} |
| {{ 'ml-lesson-time-estimation' | message }} |
Figure | Name | Formula |
---|---|---|
Square | A=ℓ2 | |
Rectangle | A=ℓw | |
Triangle | A=21bh | |
Circle | A=πr2 |
Three-dimensional shapes can also have their area measured. In this case it is referred to the surface area of the shape, which can be visualized with the help of a net of the solid.
Area is measured in square units. A square unit is defined as the area of a square with side length of 1 unit. For example, a square inch is the area of a square with side length of 1 inch.