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Question
______ number of tangents can be drawn to a circle from the point on the circle.
Options
3
2
1
0
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Solution
1 number of tangents can be drawn to a circle from the point on the circle.
Explanation:
A tangent at a point on a circle meets the circle in exactly one point. By the tangent theorem, the tangent at that point is perpendicular to the radius through the point of contact, so there is exactly one such line through that point.
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∴ 7m – `square` = 9n – `square`
∴ `square` = 2n
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