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sure, O.is the centre of the circle 7. Ina circle Of radius § cn n the fig y t vi ey fe sus 13cm. OP L AB, OO | CD, "wo chords, such that 4p cae | | - 2 EW | asl wih a! Find the length Of the ch ao 4B || CD. ' 8. PO and Rs ; . (8 = 24 cm and CD = 20 cm. Determine * 22 and Rs cay 0 Parallel chor j 5 a circle, which are on ae D, hi PO. of the centre. Such tha = RS=8 cm, and distance h - RS is 7 cm. Find the radius 9. Two Circles of radii 10 ¢ intersect each other and the | common chord is 12 ¢m, Find t me between their centres, fe 20 cm—| r i 10. Two circles, with centres 4 and Bin 9, Detertnine the length’ of the chord Which at C and D. PCO is a line arallel to 2. Det € i i : a is at a distance of 12 cm from the centre intersecting the circles at P and 0. Prove ofa circle of radius 13 cm. : Be eae 11. Two chords AB and CD of a circle are parallel and a line / is the perpendicular bisector of AB. Show that / bisects CD 3. The length of a chord of a circle of radius 10 cm is 12 cm. Find the distance of the chord from the centre of the circle. 4, The length of a chord of a circle is 4 cm. ! If its distance from the centre is 1.5 cm. c D Determine the radius of the circle. | 5, In the figure, O is the centre of the fe) circle of radius 10 em. OP L AB, OO A B 1 OD, AB || CD, AB = 12 em and CD= 16 cm. Determine PO. . , ‘acts each of : me 12. If a diameter of a circle bisects each © the two chords of a circle, prove thatthe 7 chords are parallel. 6. AB and CD are two chords of a circle, Such that AB = 6 om, CD = 12 cm and A | AB'|| CD. If the distance between AB and CD is 3 cm, find the radius of the circle, 598 ' » measure of 1BC , calculate the me i | | 6. In Fig. © eg < , / \ g fo} : IC | /+30 y) | NZ if Aan 6 : 2. If : 7. In Fig. O and O’ are centres of two circles | 12. If 2DB¢ )° a / ntersecting at B and C. ACD isa straight BCD ( inters 2 line, find x | i | 13. Inthe given figure, 4Bisq | C(O, r). Chord CD is 8. In Fig. Ois the centre of a circle and PQ is If AC and BD intersect a diameter. If ZROS = 40°, find ZRTS. oh \ Q 9, In Fig, find ZPQB, where O is the centre | 44 th the figure, AB is a diameter of ig, > S a er OL a cine of the circle. C(O, r) and radius OD 1 AB.IfCisapo onare DB, find ZBAD and ZACD. ‘ea Nw 15. In Fig. O is the centre of the circlt Calculate P (i) ZAPB (ii) ZAOB. Give reasons it all we B support of your answer. Cc 10. 4B is the diameter of the circle and ZPAB = 40°. Find ZPCA. Ve Sa ~Y 11. Find ZBCD where ABCD is a ; 7 | cyclic quadrilateral, whose diagonals K intersect at P and ZDBC = 60° and ZBAC = 40°. 
