The term ‘area’ is a quantity giving the size of a two-dimensional region or shape within a given enclosed border.
The formulae for the area of common shapes are:
shape | formula | note |
square | ![]() |
where ![]() |
rectangle | ![]() |
where ![]() ![]() |
circle | ![]() ![]() |
where ![]() |
triangle | ![]() |
where ![]() ![]() |
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