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Use a graph paper for this question. (Take 2 cm = 1 unit on both x and y axes) where A (0, 4), B (2, 3), C (1, 1) and D (2, 0) and reflect points B', C', D' on y-axis Join the points A, B, C, D, D', C', B' and A in order, so as to form a closed figure. Write down the equation of the line about which if this closed figure obtained is folded, the two parts of the figure exactly coincide. |
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