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,…