Area facts for kids
Area is the amount of space a two dimensional (flat) surface takes up. It is useful because it is how much of a material is needed to make a hollow container; for example, how much wood is needed to make a wardrobe.
You can use different formulas to find the area of different shapes.
- Area of a rectangle is the length of any two touching sides multiplied together. In other words, length times width.
- Area of a triangle is half of the base multiplied by the perpendicular height. This can be found using the trigonometry formula,
. - Area of a circle:
.
The area of a flat object is related to the surface area and volume of a three-dimensional object.
The area under a curve can be found using integration, from calculus.
Some units used to measure area are square mile and square kilometre.
Images for kids
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Although there are 10 mm in 1 cm, there are 100 mm2 in 1 cm2.
See also
In Spanish: Área para niños
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Area Facts for Kids. Kiddle Encyclopedia.