Question

draw a circle of radius 4 cm from a point 12 cm away from its centre. Construct the pair of tangents to the circle.​

Answer 1

Answer:

Steps of construction:

1. Draw a circle of radius 4 cm.

2. From it's center O, draw a line measuring 12cm, let this line be called OP. Draw the perpendicular bisector of OP. Let it's bisector be point Q.

3. Now, taking Q as centre and QP=QO as radius, draw a circle.

4. Let the points at which this newly drawn circle touches the original circle be A and B.

5. Now, join AP and BP. Therefore, AP

and BP are the required tangents.

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