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WW

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[[[>70 IMG:pentagon3.png ]]]

METHOD 1

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!! Method 1

* Draw circle centre A

* Draw perpendicular diameters BC and DE

* Construct midpoint of AD - label F

* Construct midpoint of AD

** label F

* Construct line BF

* Construct bisector of angle AFB

* Label G - the intersection of bisector and AB

* Draw parallel to CD through G

* Label H intersection of parallel with circle

[[[>70 IMG:pentagon4.png ]]]

* BH is one side of pentagon - complete pentagon

* BH is one side of pentagon

** complete pentagon

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[[[ IMG:pentagon3.png ]]]

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METHOD 2

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!! Method 2

* Draw circle centre O, radius OA

* Construct 2 radii perpendicular to OA - label OB and OC

* Construct 2 radii perpendicular to OA

** label OB and OC

* Construct D, the midpoint of OB

* Draw circle, centre D, radius DA - label E, the intersection with OC

* Draw circle, centre A, radius AE - label F and G, the intersection with the original circle

* AF and AG are two sides of the pentagon - complete pentagon

* Draw circle, centre D, radius DA

** label E, the intersection with OC

* Draw circle, centre A, radius AE

** label F and G, the intersection with the original circle

* AF and AG are two sides of the pentagon

** complete pentagon

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[[[ IMG:pentagon4.png ]]]

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