Question : Which of the following statements is INCORRECT?
Option 1: The radius is the longest chord of a circle.
Option 2: The ratio of the circumference of two circles is equal to the ratio of their radii.
Option 3: The perpendicular drawn from the centre of the circle on the chord of the circle bisects the chord.
Option 4: Circles are congruent to each other if they have equal radii.
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Correct Answer: The radius is the longest chord of a circle.
Solution :
The radius is not the longest chord of the circle.
Diameter is the longest chord of a circle which passes through the centre joining the two points on the circumference of a circle.
Diameter = 2 × Radius
Hence, the correct answer is 'The radius is the longest chord of a circle.'
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