if the radius of the circle is 5.1 cm then the length of the longest chord is ___
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Step-by-step explanation:
A circle’s longest chord is its diameter.
A circle’s diameter is twice its radius (ie, d = 2 x r)
So the longest chord of a 5 cm radius circle is 2 x 5cm, ie, 10 cm
ANSWER: 10 cm
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