If the length of the largest chord of a circle is $17$ cm, find the radius of a circle.

34

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8.5

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\sqrt{17}

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\sqrt{34}

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Solution

The correct option is B $8.5$ cm
Given, the largest chord of a circle $= 17 c m$ .
We know that the largest chord of a circle is its diameter.
$∴$ The diameter of the given circle $= 17 c m$ .
Hence, radius of the same circle $= \frac{diameter}{2} = \frac{17}{2} c m = 8.5 c m$ .
Therefore, option $B$ is correct.

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If the length of the largest chord of a circle is 17 cm, find the radius of a circle.

The correct option is B 8.5 cmGiven, the largest chord of a circle =17cm.We know that the largest chord of a circle is its diameter. ∴ The diameter of the given circle =17cm.Hence, radius of the same circle=diameter2=172cm=8.5cm. Therefore, option B is correct.

If the length of the largest chord of a circle is $17$ cm, find the radius of a circle.