Find the areas 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
(a) Area of the rectangle = 3 cm
4 cm = 12
(b) Area of the rectangle = 12 m
21 m = 252
(c) Area of the rectangle = 2 km
3 km = 6
(d) First side of the rectangle = 2 m
Second side of the rectangle = 70 cm =
m = 0.70 m
Area of the rectangle = 2 m
0.7 m = 1.4
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