Ben uses a compass and straightedge to bisect , as shown:Which statement best explains why Ben must open the compass to a width greater than half of ? To be able to create two intersecting arcs above and below the line segment To be able to create arcs above the line segment To find the length of the line segment To find the length of half of the line segment
Question
Ben uses a compass and straightedge to bisect , as shown:Which statement best explains why Ben must open the compass to a width greater than half of ? To be able to create two intersecting arcs above and below the line segment To be able to create arcs above the line segment To find the length of the line segment To find the length of half of the line segment
Solution
The best explanation for why Ben must open the compass to a width greater than half of the line segment is to be able to create two intersecting arcs above and below the line segment.
Here's the step-by-step process:
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Ben places the point of the compass at one end of the line segment and draws an arc above and below the line.
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Without changing the compass width, he then places the point of the compass at the other end of the line segment and draws another arc that intersects with the first arc above and below the line.
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The point where the arcs intersect above and below the line segment marks the midpoint of the line segment.
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Ben then draws a line through these two points to bisect the line segment.
If the compass width was less than half the length of the line segment, the arcs would not intersect and Ben would not be able to find the midpoint.
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