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Area
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| style="height:20px; width:200px; text-align:center;" |This shape has 12 full [[square]]s and 3 half [[square]]s. So the [[area]] is 12 + 3.5 = 15.5 squares.
| style="height:20px; width:200px; text-align:center;" |This shape has 10 full [[square]]s, 6 2/3 of a [[square]], 4 half squares [[square]]s and two other 1/3 of a [[square]]. So the [[area]] is 10 + 2/3 + 4 + 1/3 = 15 [[square]]s.| style="height:20px; width:200px; text-align:center;" |This shape [[circle]] has an 12 full [[square]]s, 4 nearly full [[square]]s, 4 nearly empty [[square]]s, 6 half squares. The [[area of 15 ]] is difficult to [[estimate]] but it is around 19 [[square]]s.
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: The [[area]] of a [[rectangle]] or a [[square]] can also be found if the length of the sides is known.
: To find the [[area]] of a [[rectangle]] or [[square]]