hidden lines in tessellations ◦ “mind’s eye” – the angle defined by our mind’s eye to...
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Skill MaintenancePage 127
Hidden Lines in Tessellations◦ “Mind’s Eye” – the angle defined by our mind’s eye
to help us find the pattern.◦Angles are all the same.◦These angles help us understand what shapes can
and can not tessellate. Hidden Circles in Tessellations ◦Tessellations are closely connected to circles◦Some regular polygons tessellate and some do not.◦ If the angle of a regular polygon is a factor of 360
it will tessellate.
More Tessellations
Mind’s Eye hidden circles Circle is where the shapes come together The sum of the angles at these locations is
360°
Hidden Circles in Tessellations
Hidden Circles in Tessellations
Hidden Circles in Tessellations
Hidden Circles in Tessellations
Hidden Circles in Tessellations
Hidden Circles in Tessellations
Hidden Circles in Tessellations
Tessellate a Regular Pentagon
Where are the circles?
Tessellate a Regular Pentagon Angle in regular pentagon is 108°
Angle in regular pentagon is 108 108 is not a factor of 360 so a regular
pentagon will not tessellate
Tessellate a Regular Pentagon
Where are the circles?
Where are the circles?
Does the regular polygon tessellate?
Problem SolvingPages 128
HomeworkPages 245
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