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10 cards from this deck
Compass and straightedge (ruler)
Yes - must show all (they're part of your answer)
Three main types
Line through point P on line AB at 90°90°90° to AB
Perpendicular from P to line AB (P is off the line)
Cuts line segment in half at right angle
Keep constant (same width throughout)
More than half the length of line
Lose marks (they must remain visible)
90°90°90°
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