The length of tangent to circle from a point p which is s5cm away from the centre in sucom what is the radius of unch ?
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Answer:
Let AP be a tangent drawn from P to a circle with centre O such that AP = 24 cm and OB = 25 cm.
In right angled △ OAB,
OP
2
=OA
2
+AP
2
25
2
=OA
2
+24
2
OA
2
=49
OA=7 cm
Hence, the radius of circle is 7 cm.
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Answer:
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Explanation:
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