Circles and Tangents from "summary" of NCERT Class 10 Mathematics Solutions by JagranJosh
The concept of Circles and Tangents is an important topic in geometry. A circle is a set of all points in a plane that are at a fixed distance from a given point called the center. A tangent is a line that touches the circle at exactly one point, without intersecting the circle. When a line intersects a circle at exactly one point, it is called a tangent. The point of intersection is called the point of tangency. A tangent to a circle is perpendicular to the radius drawn to the point of tangency. This means that the radius and the tangent line are at right angles to each other. The length of a tangent from a point outside the circle to the circle is the same for all tangents drawn from that point. This property is useful in solving problems involving circles and tangents. The line segment joining the center of the circle to the point of tangency is called the radius. Ther...
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