Question

the radius of a circle is 5cm. the distance of the chord from the centre is 4cm . find the length of the chord
3cm
4cm
5cm
6cm​

Answer 1

In the given circle, radius OA = 5 cm: distance of the chord AB from the centre is 4 cm. Therefore, the length of the chord is 6 cm.

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Answer 2

Answer:

6 cm

Step-by-step explanation:

Radius = 5 cm

Distance Of CHord from The Centre= 4 cm

We Know That Radius Drawn From The Centre Makes An Angle Of 90 degree To The Chord

So By Pythagoras Theorem

radius Square = distance Of Chord square + length of Chord square

5 ^2 = 4 ^2 + length of Chord square

25= 16 + length Of chord ^2

25-16 = length Of chord ^2

9 = length of chord ^2

length of chord = √9

So,length of chord = 2 × 3 cm = 6 cm

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