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Draw a rectangle of area 18 square centimetres and a square of same area.
Draw a rectangle of area 18 square centimetres and a square of same area.
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The geometric mean construction is a powerful tool for converting a rectangle of sides a and b into a square of equal area. The side of the square will be the length of the perpendicular from the junction of a and b to a semicircle drawn on a+b as a diameter.
Updated On: Mar 16, 2026
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