The figure below has been obtained by folding a rectangle. The total area of the figure (as visible) is 144 square meters. Had the rectangle not been folded, the current overlapping part would have been a square. What would have been the total area of the original unfolded rectangle?
Explanation:
Had the rectangle not been folded, the overlapping part would have been a square of side 6.
While unfolding, the increase in area
= Area of the triangle = 12×6×6=18
Area of the given figure = 144 square meters ∴ Area of unfolded rectangle = 144 + 18 = 162 square meters Hence, option (c).
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