NCERT Solutions
Class 6 Maths
Mensuration

Ex.10.2 Q.1
Find the areas of the following figures by counting squares:
(a) Number of filled square = 9
So, area covered by squares = 9 * 1 = 9 sq. units
(b) Number of filled squares = 5
So, area covered by filled squares = 5 * 1 = 5 sq. units
So, area covered by filled squares = 8 * 1 = 8 sq. units
(e) Number of filled squares = 10
So, area covered by filled squares = 10 * 1 = 10 sq. units
(f) Number of full filled squares = 2
Number of half-filled squares = 4
Area covered by full filled squares = 2 * 1 = 2 sq. units
And Area covered by half-filled squares = = 2 sq. units
So, total area = 2 + 2 = 4 sq. units
(g) Number of full filled squares = 4
Number of half-filled squares = 4
Area covered by full filled squares = 4 * 1 = 4 sq. units
And area covered by half-filled squares = = 2 sq. units
So, total area = 4 + 2 = 6 sq. units
(h) Number of filled squares = 5
So, area covered by filled squares = 5 * 1 = 5 sq. units
(i) Number of filled squares = 9
So, area covered by filled squares = 9 * 1 = 9 sq. units
(j) Number of full filled squares = 2
Number of half-filled squares = 4
Area covered by full filled squares = 2 * 1 = 2 sq. units
And area covered by half-filled squares = = 2 sq. units
So, total area = 2 + 2 = 4 sq. units
(k) Number of full filled squares = 4
Number of half-filled squares = 2
Area covered by full filled squares = 4 * 1 = 4 sq. units
And area covered by half-filled squares = = 1 sq. units
So, total area = 4 + 1 = 5 sq. units
(l) Number of full filled squares = 3
Number of half-filled squares = 10
Area covered by full filled squares = 3 * 1 = 3 sq. units
And area covered by half-filled squares = = 5 sq. units
So, total area = 3 + 5 = 8 sq. units
(m) Number of full filled squares = 7
Number of half-filled squares = 14
Area covered by full filled squares = 7 * 1 = 7 sq. units
And area covered by half-filled squares = = 7 sq. units
So, total area = 7 + 7 = 14 sq. units
(n) Number of full filled squares = 10
Number of half-filled squares = 16
Area covered by full filled squares = 10 * 1 = 10 sq. units
And area covered by half-filled squares = = 8 sq. units
So, total area = 10 + 8 = 18 sq. units
(c) Number of full filled squares = 2
Number of half-filled squares = 4
So, area covered by full filled squares = 2 * 1 = 2 sq. units
And area covered by half-filled squares = = 2 sq. units
Now, Total area = 2 + 2 = 4 sq. units
(d) Number of filled squares = 8