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  • 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.

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

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Steps of construction:-  

(i) Taking O as a centre draw a circle of radius 3 cm.

(ii) Now draw a diameter PQ of this circle and extend it.

(iii)  Mark two points R and S on the extended diameter such that OR = OS = 7 cm.

(iv) Draw the perpendicular bisector of both the lines and name their mid-points as T and U.

(v) Now, taking T and U as the centre draw circles of radius TR and QS.

(vi) Name the intersecting points of the circles with the first circles as V, W, X, Y.

(vii) Join the lines. These are the required tangents.

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Devendra Khairwa

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