Q.3 Draw a circle of radius 3 cm. Take two points P and Q on one of its extended diameter each at a distance of 7 cm from its centre. Draw tangents to the circle from these two points P and Q


Answer :

Step of construction:
1. Draw a circle with centre O and radius 3 cm
2. Produce the diameter of the circle to both the ends up to P and Q such that OP = OQ = 7cm
3. Draw the perpendicular bisector of the line PO and QO and mark the midpoint as M and M' respectively
4. Draw arc with centre M on circle on R and S
5. Draw arc with centre M' on circle on T and U
6. PR , PS , QT and QU are the required tangents.

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