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1) Radii of the two circles touching internally are 4.5 and 2 cm.find the distance between their centres.

2) Radius of a cricket with centre P is 5 cm. If the point Q is such that degree Own=6 cm where does the point Q lie?
3) □ABCD is a cyclic quadrilateral if /_ A=83° find measure of the angle C. 4)TANGENT NCAA touches the circle at the point A,of Ad is a chord such that m ( arc Ad)=100° then find measure of the /_ CAD


Ummmmm use the theorem:
    radius is perpendicular to a chord on its circumference

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