HSC Math Extension 1 Review

#1

icutmyhairbecauseyoudontc

Imma kill whoever wrote the papers.

#2

valvenq

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What are you on about

#3

vispri

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guys how do i write a proof to prove that a quadrilateral is a a parallelogram pls help

#4

Trapdam

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To see if the quadrilateral in question is a parrellelogram you have to have to see if it has 2 pairs of parallel sides

#5

vispri

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How do i prove the sides are parallel

#6

Trapdam

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Well if two lines are cut by a transversal from the 2 sides (in quebec we call it a médiane) then look if the alternate interior angles are congruent after you if the lines are parallel. Also I think you souldve had study the 5 theorems to prove that lines are parallel lol.

#7

yelnek

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slopes of the lines are equal

#8

ilovefrozenblueberries

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If it looks close enough then it is

For all quadrilaterals such that the approximate visual representation of said shape resembles that of a parallelogram, then that shape is a paralologram if and only if it is a paralologram