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By counting squares, estimate the area of the figure. - Mathematics

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Sum

By counting squares, estimate the area of the figure.

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Solution

Covered area Number

Area estimate
(sq units)

(i) Fully-filled squares  11  11
(ii) Half-filled squares 3 `3 xx 1/2`
(iii) More than half-filled squares 7 7
(iv) Less than half-filled squares 5 0

Total area = 11 + 3 × `1/2 + 7 = 19 1/2` sq units.

Concept: Concept of Area
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