Multiple choice

The largest chord of the circle has a length of 40.8 cm. The radius of the circle will be:

  1. 20.4 cm

  2. greater than 20.4 cm

  3. equal to 20.4 cm

  4. Less than 20.4 cm
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The largest chord of a circle is its diameter. If the diameter is 40.8 cm, then radius = diameter/2 = 20.4 cm. By definition, the diameter passes through the center and is the longest possible chord.

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