Question

please answer this question ​

Answer 1

Answer....

AP =PB ( Perpendicular from centre to the chord ).....

In ∆OPA......By Pythagoras theorem.....

AP= 4cm....

AP=PB =4cm....

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Answer 2

Answer:

solved below

Step-by-step explanation:

by pythagoras theorem,

(OA)^2=(OP)^2+(AP)^2

25=9+(AP)^2

(AP)=4

therefore AP=PB(a line perpendicular from the center on the chord bisects the chord)

so PB=4cm