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A student of Class X commits error in the measurement of the radius of a given circle. This is mainly due to:

ALacking in the skill of using the measuring instrument

BUnable to locate the lines identified as radius of the circle

CUnaware of the fact that length of the radius is half its diameter

DUnaware to locate the centre of the given circle

Answer:

D. Unaware to locate the centre of the given circle

Read Explanation:

Yes, the error in measuring the radius of a given circle could mainly be due to the student being unaware of how to locate the center of the given circle.

The radius of a circle is the distance from its center to any point on the circle. If a student does not correctly identify the center, they may measure the distance from an incorrect point, leading to an inaccurate radius. Properly locating the center of the circle is crucial for accurately determining its radius, so this lack of awareness is a common source of error in such measurements.


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