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anonymous

  • one year ago

What is the first step in the construction of a line perpendicular to AB←→ and passing through an external point M? Assume that the construction uses only a compass and a straightedge

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  1. anonymous
    • one year ago
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    Draw a line from point M passing through AB←→, and mark the point of intersection With a compass, you cannot draw a segment. You draw arcs. So, first do this: Place the compass needle on M and, keeping the compass width the same, draw two arcs that intersect AB From C and D, I swung two arc of the same width. Where they intersect is the second point needed to go with M to determine the perpendicular line Place the compass needle on M and, keeping the compass width the same, draw two arcs that intersect AB

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