Multiple choice

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

  1. $34$ cm
  2. $8.5$ cm
  3. $ \sqrt { 17 } $ cm
  4. $ \sqrt { 34 } $ cm
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B Correct answer
Explanation

The largest chord of a circle is its diameter. If the diameter is 17 cm, the radius is diameter / 2 = 17 / 2 = 8.5 cm.

AI explanation

The largest chord of a circle is its diameter. Since the diameter is 17 cm, the radius is half of the diameter. Half of 17 is 8.5 cm.