a chord of a circle of radius 10 cm subtends a right angle at its center the length of the chord is
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a chord that subtends a roght angle at its centre is its diametre
so diamter of circle is 2×radius=2×10=20cm
so diamter of circle is 2×radius=2×10=20cm
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Answer: the length of the chord is 20 CM
Step-by-step explanation:
As we know that radius multiply 2 is equal to diameter and it is the radius of 10cm and it lies at centre that is why 10*2=20cm
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