Find the areas of the following figures by counting square:

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

(m)

(n)

(a) The figure contains 9 fully filled squares only. Therefore, the area of

this figure will be 9 square units.

(b) The figure contains 5 fully filled squares only. Therefore, the area of this figure will be 5 square units.

(c) The figure contains 2 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 4 square units.

(d) The figure contains 8 fully filled squares only. Therefore, the area of this figure will be 8 square units.

(e) The figure contains 10 fully filled squares only. Therefore, the area of this figure will be 10 square units.

(f) The figure contains 2 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 4 square units.

(g) The figure contains 4 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 6 square units.

(h) The figure contains 5 fully filled squares only. Therefore, the area of this figure will be 5 square units.

(i) The figure contains 9 fully filled squares only. Therefore, the area of this figure will be 9 square units.

(j) The figure contains 2 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 4 square units.

(k) The figure contains 4 fully filled squares and 2 half-filled squares. Therefore, the area of this figure will be 5 square units.

(l) From the given figure, it can be observed that,

Covered Area

Number

Area estimate (sq units)

Fully filled squares

2

2

Half filled squares

More than half - filled squares

6

6

Less than half - filled squares

6

0

Total area = 2 + 6 = 8 square units

(m) From the given figure, it can be observed that,

Covered Area

Number

Area estimate (sq units)

Fully filled squares

5

5

Half-filled squares

More than half-filled squares

9

9

Less than half-filled squares

12

0

Total area = 5 + 9 = 14 square units

(n) From the given figure, it can be observed that,

Covered Area

Number

Area estimate (sq units)

Fully filled squares

8

8

Half-filled squares

More than half-filled squares

10

10

Less than half-filled squares

9

0

Total area = 8 + 10 = 18 square units

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