The lengths of two parallel chords of a circle are 6 cm and 8 cm. If the smaller chord is at distance 4 cm from the centre, what is the distance of the other chord from the centre?
A
`5 cm`
B
`3 cm`
C
`2 cm`
D
`4 cm`
Text Solution
Verified by Experts
The correct Answer is:
B
let r be the radius of the circle
draw ` OM _|_ AB & OL _|_ CD`
`AM = (AB)/2 & CL = (CD)/2`
`AM = 6/2 & CL = 8/2`
`AM = 3cm & CL = 4cm `
`MO = 4cm`
in `/_ AMO, /_AMO = 90^@`
so, by pythagoras theorem
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