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प्रश्न
Look at these interesting stamps.
How many squares of one-centimeter side does stamp A cover?
And stamp B?
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उत्तर
stamp A
Area = length x breadth
= 6 x 3
= 18 square cm
stamp B
Area = length x breadth
= 4 x 2
= 8 square cm
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A square tile of length 20 cm has four quarter circles at each corner as shown in the following figure (i). Find the area of shaded portion. Another tile with same dimensions has a circle in the centre of the tile [see figure (ii)]. If the circle touches all four sides of the square tile, find the area of the shaded portion. In which tile, area of shaded portion will be more? (Take π = 3.14)
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| (i) | (ii) |
