Construction of Tangents to a Circle from a Point outside the Circle
Draw a circle...
Question
Draw a circle of radius 3.2cm. Take a point P on this circle and draw a tangent at P. (using the centre).
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Solution
Given: Radius of the circle=3.2cm. Construction: (i) With O as the centre draw a circle of radius 3.2cm. (ii) Take a point P on the circle and join OP. (iii) Draw an arc of a circle with centre at P cutting OP at L. (iv) Mark M and N on the arc such that ⌢LM=⌢MN=LP. (v) Draw the bisector PT of the angle ∠MPN. (vi) Produce TP to T' to get the required tangent T'PT.