alleryA circle has radius 6 cm. What is the length of its longest chord?
A6 cm
B18 cm
C36 cm
D12 cm
Answer & Solution
Correct answer: D. 12 cm
1. The longest chord of a circle is a diameter.
2. Diameter = 2 x radius.
3. Length = 2 x 6 = 12 cm.
4. The value 6 cm is only the radius.
_Source: Wikipedia, Circle (CC BY-SA 4.0), Circle_
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