SSC CPO SI and ASI Model Paper 3

Question : 146 of 200

Marks: +1, -0

What will be the distance of a point from the centre of a circle with radius 8 cm, if the length of the tangent drawn from that point to the circle is 15 cm?

23 cm
7 cm
17 cm
20 cm

Validate

Solution:

(3) Here, ‘OQ’ is radius, ‘PQ’ istangent and ‘OP’ is distance fromthe centre to the point.

Now, in triangle POQ,
PO

=√ {PQ^2 +OQ^2}=√ {15^2 + 8^2} =17 cm

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