The length of the tangents from a point A to a circle of radius $3$ cm is $4$ cm. The distance (in cm) of A from the center of the circle is:

\sqrt{7}

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7

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5

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25

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Solution

The correct option is D $5$
We use the fact that tangent is perpendicular to radius at the point of contact, so, the distance of the point $A$ from the center of the circle is $\sqrt{3^{2} + 4^{2}} = 5 c m$ .
So option C is the right answer.

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The length of the tangents from a point A to a circle of radius 3 cm is 4 cm. The distance (in cm) of A from the center of the circle is:

The correct option is D 5We use the fact that tangent is perpendicular to radius at the point of contact, so, the distance of the point A from the center of the circle is √32+42=5cm.So option C is the right answer.

The length of the tangents from a point A to a circle of radius $3$ cm is $4$ cm. The distance (in cm) of A from the center of the circle is:

The correct option is D $5$
We use the fact that tangent is perpendicular to radius at the point of contact, so, the distance of the point $A$ from the center of the circle is $\sqrt{3^{2} + 4^{2}} = 5 c m$ .
So option C is the right answer.