Question

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle.

Answer 1

Answer:

1.5 cm

Step-by-step explanation:

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Answer 2

Answer:

8 cm

Step-by-step explanation:

The radius of smaller circle is perpendicular bisector to the chord.

So, the radius of small circle, half of the chord and the radius of the larger circle form a right angled triangle, apply pythagoras theorem and get half length of the chord and multiply it by 2