RBSE Solutions for Class 10 Maths Chapter 12 Circle Ex 12.1 is part of RBSE Solutions for Class 10 Maths. Here we have given Rajasthan Board RBSE Class 10 Maths Chapter 12 Circle Exercise 12.1.
Rajasthan Board RBSE Class 10 Maths Chapter 12 Circle Ex 12.1
Question 1.
Fill in the blanks :
(i) Center of circle (RBSESolutions.com) lies in ………… of circle. (exterior/interior)
(ii) A point, having distance from center greater than radius lies in the ……… of the circle. (exterior/interior)
(iii) Longest chord of circle is ………… of the circle.
(iv) An arc is …………. when its ends are ends of diameter.
(v) A circle lies on which plane divides it into ………… parts.
Solution :
(i) Center of circle lies in interior of circle.
(ii) A point, having distance from center greater then radius lies in the exterior of the circle.
(iii) Longest chord of circle is diameter of the circle.
(iv) An arc is semicircle when its ends are ends of diameter.
(v) A circle lies on which plane divides it into three parts.
Question 2.
Write true / false given reason (RBSESolutions.com) for your answer also.
(i) The line segment joining the center to any point on center is radius of circle.
(ii) On a circle, arc of same length are chords.
(iii) If a circle is divided into three equal parts then each part is major arc
(iv) A chord of circle whose length is twice the radius. is diameter of circle.
(v) Circle is a plane figure.
(vi) The collection of all the points lie in a plane which are at a constant distance form a fined points in the same plane is called diameter.
(vii) The chord at which center lies is called radius.
Solution :
(i) True – Because radius is used in two ways — in line segment form and on length form
(ii) False – Because there are infinite (RBSESolutions.com) points on the circle. By joining any two we can set infinite chords.
(iii) False – Since arcs are equal in length so called equal arcs.
(iv) True – Since diameter is longest chord arid its length is twice the radius.
(v) True – Since circle is locus of a point which moves in a plane at constant distance from a fined point so circle is a plane figure.
(vi) False – A circle is a collection of all points in a plane which are at a constant distance from a fixed point.
(vii) False – Since the chord where center lies is called diameter.
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