1. Find the area of the rectangles whose sides are: (a) 3 cm and 4 cm (b) 12 m and 21 m (c) 2 km and 3 km (d) 2 m and 70 cm Solutions: Area of rectangle = Length × Breadth (a) l = 3 cm and b = 4 cm Area = l × b = 3 × 4 = 12 \(\…
1. Find the areas of the following figures by counting squares: (a) The figure contains only 9 fully filled squares. Hence, the area of this figure will be 9 square units. (b) The figure contains only 5 fully filled squares. H…
1. Find the perimeter of each of the following figures: Solutions: (a) Perimeter = Sum of all the sides = 1 + 2 + 4 + 5 = 12 cm (b) Perimeter = Sum of all the sides = 23 + 35 + 35 + 40 = 133 cm (c) Perimeter = Sum of…
