alleryA segment joining two points of a circle through its centre is called what?
ARadius
BTangent
CArc
DDiameter
Answer & Solution
Correct answer: D. Diameter
1. A segment that has both end points on the circle and passes through the centre is the diameter.
2. A radius reaches only from the centre to the circle.
3. A tangent touches the circle at one point and an arc is a curved part.
_Source: Wikipedia, Circle, Terminology_
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