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Draw a circle with centre at point O. Draw its two chords AB and CD such that AB is not

parallel to CD. Draw the perpendicular bisectors of AB and CD. At what point do they

intersect?

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#### Solution

Steps of construction:

1. With center O and any radius, draw a circle

2. Draw two chords AB and CD.

3. With center A and radius more than `1/2`AB ,draw arcs, one on each side of AB

4. With center B and same radius draw arcs cutting previous arcs at P and Q respectively.

5. Join PQ

6. With center D and radius more than `1/2` DC draw arcs, one on each side of DC

7. With center C and same radius, draw arcs cutting previous arcs at R and S respectively

8. Join RS

Both perpendicular bisector PQ and RS intersect each other at the center O of he circle.

Concept: Basic Constructions

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