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NCERT Solutions for Class 10 Maths Chapter 10 Circles Ex 10.1

January 16, 2019 by Kalyan

NCERT Solutions for Class 10 Maths Chapter 10 Circles Ex 10.1 are part of NCERT Solutions for Class 10 Maths. Here are we have given Chapter 10 Circles Class 10 NCERT Solutions Ex 10.1.

Class 10th Math’s important questions in chapter Area Related to Circles for free download in PDF format. The most important questions for annual examination from chapter Introduction to Area Related to Circles are given here for download. Here you will find all the answers to the NCERT textbook questions of Chapter 10 Circles.

  • Circles Class 10 Ex 10.2
BoardCBSE
TextbookNCERT
ClassClass 10
SubjectMaths
ChapterChapter 10
Chapter NameCircles
ExerciseEx 10.1
Number of Questions Solved4
CategoryNCERT Solutions

NCERT Solutions for Class 10 Maths Chapter 10 Circles Ex 10.1

NCERT Solutions for Class 10 Maths

Page No: 209

Question 1. How many tangents can a circle have?

Solution:
A circle can have infinite tangents.

Question 2. Fill in the blanks :
(i) A tangent to a circle intersects it in …………… point(s).
(ii) A line intersecting a circle in two points is called a ………….
(iii) A circle can have …………… parallel tangents at the most.
(iv) The common point of a tangent to a circle and the circle is called …………

Solution:
(i) one
(ii) secant
(iii) two
(iv) point of contact

Question 3.
A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ = 12 cm. Length PQ is :
(A) 12 cm (B) 13 cm (C) 8.5 cm (D) √119 cm

Solution:
NCERT Solutions for Class 10 Maths Chapter 10
PQ = √119 cm
Hence, (D) is the correct answer.

Concept Insight: To answer such type of problems, remember to use the result that the radius is perpendicular to the tangent at the point of contact and then make use of pythagoras theorem in the right traingle.

Question 4.
Draw a circle and two lines parallel to a given line such that one is a tangent and the other, a secant to the circle.

Solution:
NCERT Solutions for Class 10 Maths Chapter 10 Circles 2
AB and CD are two lines parallel to the line XY. Line AB is intersecting the circle at exactly two points, P and Q. So, line AB is secant of this circle. The line CD is intersecting the circle at exactly one point, R. So, line CD is tangent to circle.

Concept Insight: To draw the two lines, remember that a tangent touches the circle at one point only and a secant intersects the circle at two distinct points.

 

We hope the NCERT Solutions for Class 10 Maths Chapter 10 Circles Ex 10.1 help you. If you have any query regarding NCERT Solutions for Class 10 Maths Chapter 10 Circles Ex 10.1, drop a comment below and we will get back to you at the earliest.

NCERT Solutions For Class 10 Maths – AplusTopperhttps://t.co/q7hSKh3xmf#NCERTSolutionsForClass10Maths #NCERTSolutions #AplusTopper

— ObulReddy cbse (@ObulReddyCBSE) August 3, 2018

 

Filed Under: CBSE Tagged With: NCERT Solutions for Class 10 Maths

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