Tangent to a Circle

COURSE DESCRIPTION

• If a line is drawn perpendicular to a radial segment of a circle at its outer end point, it is tangent to the circle at that point.
• The tangent to a circle and the radial segment joining the point of contact and the center are perpendicular to each other.
• The two tangents drawn to a circle from a point outside it, are equal in length.
• If two circles touch externally, the distance between their centers is respectively equal to the sum of their radii.
• If two circles touch each other internally, then the point of contact lies on the line segment through their centers and distance between their centers is equal to the difference of their radii.

• Conceptual overview of all the above topics
• Application and conceptual base quiz of students which consist of short questions, MCQS and Long questions.

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