Question

If radii of two concentric circles are 4cm and 5cm,then find the length of each chord of one circle which is tangent to the other circle.

Answer 1

Answer:

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Answer 2

Answer: Length of chord is 6 cm.

Step-by-step explanation:

Since we have given that

Radius of smaller circle = 4 cm

Radius of bigger circle = 5 cm

We need to find the length of chorg

Length of chord would be

2× √5^2-4^2

2× √25-16

2× √9

2× 3 = 6

Hence, length of chord is 6 cm.