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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.
Answers (1)
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 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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