Question

Which illustration shows the markings for the construction of the perpendicular bisector of XY

?
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A
.

Two rays intersecting at a common point X and point Y on the horizontal ray. Two intersecting arcs above and on the horizontal ray.

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B.

A point on the line segment X-Y. Two arcs on each side of the point on the line segment X-Y and two intersecting arcs above and below the line segment X-Y.

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C.

Two rays X and Y intersecting at a common point. An arc cut both the rays and two intersecting arcs above the arc.

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D.

Two intersecting arcs above and below the line segment X-Y.

Answer 1

D

The standard construction draws two equal-radius arcs centered at X and Y that intersect above and below segment XY; connecting those intersection points gives the perpendicular bisector.