A point P is 7 cm from the centre of a circle whose diameter is 8 cm. How many tangents can
be drawn to the circle? Justify.
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Step-by-step explanation:
Steps of construction :
1. Draw a line segment OA=8 cm.
2.O as centre and radius 4 cm draw a circle.
3. Taking OA as diameter draw another circle which intersects the given circle at B and C.
4. Join A to B and A to C.
Result:AB and AC are required tangents.
∴AB=AC=5.9 cm.
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