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Represent geometrically on the number line.
Let’s draw a line AB = 3.2 units
Extend this line from B to C by 1 unit.
Now find the mid-point M of AC.
Take M as the center and MA as radius draw a semicircle.
Draw BD ⟘ AC intersecting the semi circle at D.
Then BD =
With B as center and BD as radius, draw an arc, meeting AC produced at E.
Then BE = BD =