Question

the radius of a circle is 5 cm and the distance from the quotes from sim 2 of a circle is 4 centimetre find the length of the chord​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

the chord of a circle (PQ)=?

distance of the chord from the centre(OR)=4cm

radius of the circle(OP)=5cm

By Pythagoras theorem,

OPsq.=OR sq.+PR sq.

5sq.=4 sq.+PR sq.

25 =16 +PR. sq.

PR sq.=25-16

PR sq. =9cm

therefore PR=3cm

PR +QR=3+3= 6cm(the perpendicular drawn from centre to chord bisects the chord.

therefore length of the chord is 6 cm.

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