Chapter 17. Secants , Tangents and Their Properties NIOS Class 10 Mathematics Chapter-Wise Important Questions and Answers

Chapter 17. Secants , Tangents and Their Properties | NIOS Class 10 Mathematics Important Questions, Fully Solved Answers, and Chapter-wise Exam Preparation Guide.

Chapter 17. SECANTS, TANGENTS AND THEIR PROPERTIES

Optional Questions and Answers for Algebraic Expressions and Polynomials [1 Mark]

CHECK YOUR PROGRESS 3.1

Short Questions and Answers for Algebraic Expressions and Polynomials [1 or 2 Marks]

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Long Questions and Answers for Algebraic Expressions and Polynomials [ 3 or 4 Mark]

CHECK YOUR PROGRESS 17.1

1. Fill in the blanks:

(i) A tangent is __________ to the radius through the point of contact.

(ii) The lengths of tangents from an external point to a circle are __________

(iii) A tangent is the limiting position of a secant when the two ______ coincide.

(iv) From an external point ________ tangents can be drawn to a circle.

(v) From a point in the interior of the circle, ______ tangent(s) can be drawn to the circle.

Answer: (i) A tangent is perpendicular to the radius through the point of contact.

(ii) The lengths of tangents from an external point to a circle are equal .

(iii) A tangent is the limiting position of a secant when the two points of intersection coincide.

(iv) From an external point two tangents can be drawn to a circle.

(v) From a point in the interior of the circle, no tangent(s) can be drawn to the circle.

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