3.The diameter of a circle is 10 cm and the chord through a point P, the midpoint of the chord
is 6 cm . The distance of P from the centre O is
A.3 cm B. 4 cm C. 5 cm D. 6cm E. 7 cm
E.3
AD= 3DB; DE:BC=?
A.1:3 B.2:3
C.3:4 D.4:5
E.4:6
LM=………
A.xz/(x+y) B.xz/(x-y)
C.yz/(x+y) D.xz/y
E.yz/x
m:n= ?
A. 1:2 B.2:1
