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constructions Perpendicular from a Point outside a Line A powerpoint presentation by Carmelo Ellul Head of Department (Mathematics)

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constructions AB is the perpendicular to XY. Centre G and same radius draw another arc. Centre F and sufficient radius draw an arc. Label the point of intersection B. Join AB. AB XY. Centre A and any sufficient radius draw an arc of a circle to cut XY at F and G. From point A construct a line perpendicular to XY. Task: Construction: Perpendicular from a Point outside a Line A XY FG B Conclusion:

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constructions AB XY. From point A construct a line perpendicular to XY. Task: Conclusion: Perpendicular from a Point outside a Line A XY FG B RESTART END SHOW

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Constructions Bisect – To divide something into two equal parts Perpendicular – Lines that intersect to form right angles. Today’s constructions: –Bisect.

Constructions Bisect – To divide something into two equal parts Perpendicular – Lines that intersect to form right angles. Today’s constructions: –Bisect.

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