CBSE Class 10 Mathematics Circles Worksheet Set F

  CBSE Class 10 Circles (6). Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects…

CBSE Class 10 Mathematics Circles Worksheet Set H

  Circles Q.-A chord PQ of a circle is parallel to the tangent drawn at a point R of the circle. Prove that R bisects the arc PRQ.    Ans- Given: In a circle a chord PQ and a tangent MRN at R such that QP || MRN To prove: R bisects the arc PRQ.…

CBSE Class 10 Mathematics Circles Worksheet Set G

  CIRCLES Q.- If radii of two concentric circles are 4 cm and 5 cm, then the length of the chord of one circle which is tangent to the other circle is:  a. 9 cm b. 3 cm c. 1 cm d. 6 cm Ans- d. 6 cm Explanation: Here OC is perpendicular to AB. Then OC…

CBSE Class 10 Mathematics Circles Worksheet Set E

  CIRCLE Q.- In figure, if TP and TQ are the two tangents to a circle with centre O so that ∠POQ = 110o, then find ∠ PTQ.    Ans- ∠POQ = 110o ∠OPT = 90o [Angle between tangent and radius through the point of contact] ∠OQT = 90o [Angle between…

CBSE Class 10 Mathematics Circles Worksheet Set D

  Circles Q.- If O is the centre of a circle, PQ is a chord and tangent PR at P makes an angle of with PQ, then POQ is equal to  a. 110° b. 120° c. 100° d. 90°   Ans- b. 120° Explanation: Here RPO = 90° ∠RPQ = 60° (given) ∴ ∠OPQ = 90° - 60° = 30°…

CBSE Class 10 Mathematics Circles Worksheet Set C

  Circles    Q.- The perimeter of Δpqr in the given figure is  a. 15 cm b. 60 cm c. 45 cm d. 30 cm.    Ans- d. 30 cm.  Explanation Since Tangents from an external point to a circle are equal.  ∴PA = PB = 4 cm,  BR…

CBSE Class 10 Mathematics Circles Worksheet Set B

Question. In Fig. 10.3, if OA = 5 cm, AB = 8 cm and OD is perpendicular to AB, then CD is equal to: (A) 2 cm (B) 3 cm (C) 4 cm (D) 5 cm Answer : As perpendicular from the centre to a chord bisect the chord, Question. In Fig.10.4, if ∠ABC = 20º, then ∠AOC is…

CBSE Class 10 Mathematics Circles Worksheet Set A

Question. AD is a diameter of a circle and AB is a chord. If AD = 34 cm, AB = 30 cm, the distance of AB from the centre of the circle is: (A) 17 cm (B) 15 cm (C) 4 cm (D) 8 cm   Answer : Draw OP ⊥ AB. As perpendicular from the centre to a chord bisect the chord,…

CBSE Class 10 Mathematics Circles Assignment Set B

            Please click the link below to download CBSE Class 10 Mathematics Circles Assignment Set B

CBSE Class 10 Mathematics Circles Assignment Set C

CBSE Class 10 Mathematics Circles Assignment Set C. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…

CBSE Class 10 Mathematics Circles Assignment Set D

        Questions 1. Two tangents PA and PB are drawn from an external point P to a circle with centre O. Prove that OAPB is a cyclic quadrilateral.   2. If PA and PB are two tangents drawn to a circle with centre O , from an external point P such…

CBSE Class 10 Mathematics Circles Assignment Set E

CBSE Class 10 Mathematics Circles Assignment Set E. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…

CBSE Class 10 Mathematics Circles Assignment Set F

  Short Answer Questions   Q1. In two concentric circles, prove that all chords of the outer circle which touch the inner circle are of equal length.   Q2. An incircle is drawn touching the equal sides of an isosceles triangle at E and F. Show that the point D, where the…

CBSE Class 10 Mathematics Circles Assignment Set G

  Write True or False and justify your answer in each of the following: Question : Two chords AB and CD of a circle are each at distances 4 cm from the centre. Then AB = CD. Solution : We know that chords equidistant from the centre of a circle are equal. Here we are given…