For drawing the perpendicular bisector of PQ, which of the following radii can be taken to draw arcs from and ?

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answer is C.

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Detailed Solution

Concept- To draw a perpendicular bisector on a given line segment, the compass should be spaced at least half the distance between the endpoints of the line segment. Then draw an arc from both endpoints to get the intersection points on both sides of the line. Finally, connect these intersections to form the required perpendicular bisector. The underlined part is the main key to solve this problem.
To draw the perpendicular bisector of a given side, take any length greater than half the length of the side. Draw an arc from the edge of the base. The point where the arcs meet is on the perpendicular bisector.
From the options given,

It can be considered as a drawing to draw arcs from edges P, Q
Remaining option values are

Hence, option 3 is correct.

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