alleryWhich chord of a circle is the longest?
ARadius
BTangent
CArc
DDiameter
Answer & Solution
Correct answer: D. Diameter
1. A diameter is a chord that passes through the centre.
2. It is the longest chord of a given circle.
3. A radius is not a chord, since one of its ends is at the centre.
_Source: Wikipedia, Circle, Terminology_
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