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Question 3 State whether the following is true or false. A pair of tangents can be constructed from a point P to a circle of radius 3.5 cm situated at a distance of 3 cm from the centre. [Thinking process Let r = radius of circle and d = distance of a point from the centre. 1. If r = d, then point lie on the circle i.e only one tangent is possible 2. If r < d, then point lie outside the circle. i.e a pair of tangent is possible. 3. If r>d, then point lie inside the circle i.e no tangent is possible. ]

Answer»

Question 3
State whether the following is true or false.
A pair of tangents can be constructed from a point P to a circle of radius 3.5 cm situated at a distance of 3 cm from the centre.
[Thinking process
Let r = radius of circle and d = distance of a point from the centre.
1. If r = d, then point lie on the circle i.e only one tangent is possible
2. If r < d, then point lie outside the circle. i.e a pair of tangent is possible.
3. If r>d, then point lie inside the circle i.e no tangent is possible.
]


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