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this is some intense string art. would totally love to figure out where to start with a project like this one.

this is some intense string art. would totally love to figure out where to start with a project like this one.

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Pi Day Activities - including teaching circumference and area with paper plates, and measuring oreo & reese's peanut butter cups (cute)!

Pi Day Activities - including teaching circumference and area with paper plates, and measuring oreo & reese's peanut butter cups (cute)!

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Alana's Brooklyn Railroad. Love the lights circling the perimeter of the wall and the wall painted to be a whiteboard.

Alana's Brooklyn Railroad. Love the lights circling the perimeter of the wall and the wall painted to be a whiteboard.

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The pyramid curve exactly match earth's radius. 2x the perimeter of the bottom of the granite coffer X 10**8 is the sun's mean radius.{ 270.45378502 PI* 10**8 = 427,316 miles}Theres a universal relationship betw the diameter of a circle and its circumference. The ht of the Pyramid's apex is 5,812.98 in, and ea side is 9,131 in fr corner to corner. If the circumference of Pyramid is divided by 2x its ht (the diameter of a circle is 2x the radius), the result is 3.14159, w/c just happens to be…

The pyramid curve exactly match earth's radius. 2x the perimeter of the bottom of the granite coffer X 10**8 is the sun's mean radius.{ 270.45378502 PI* 10**8 = 427,316 miles}Theres a universal relationship betw the diameter of a circle and its circumference. The ht of the Pyramid's apex is 5,812.98 in, and ea side is 9,131 in fr corner to corner. If the circumference of Pyramid is divided by 2x its ht (the diameter of a circle is 2x the radius), the result is 3.14159, w/c just happens to be…

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Pi Day Crack the Code gives students practice solving for radius, diameter, circumference and area of a circle with 2 Crack the Code puzzles. Also included, an interactive notebook page for finding area and perimeter of circles for reference. Pi Day: Area and Perimeter of a Circle makes a good calculator problem.  Grades 5-7 $

Pi Day Crack the Code gives students practice solving for radius, diameter, circumference and area of a circle with 2 Crack the Code puzzles. Also included, an interactive notebook page for finding area and perimeter of circles for reference. Pi Day: Area and Perimeter of a Circle makes a good calculator problem. Grades 5-7 $

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.Hmm... cut a circle out of felt or a fabric that won't unravel, like fleece. Use a heavy needle and string or perle coton run thread around the perimeter. Voila - a drawstring pouch!

.Hmm... cut a circle out of felt or a fabric that won't unravel, like fleece. Use a heavy needle and string or perle coton run thread around the perimeter. Voila - a drawstring pouch!

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Did you know that a royal cubit is 1/6th the perimeter of a circle with diameter 1. This may also reveal why we can find so many references to Pi and Phi in the Great Pyramid.

Did you know that a royal cubit is 1/6th the perimeter of a circle with diameter 1. This may also reveal why we can find so many references to Pi and Phi in the Great Pyramid.

This bundle includes 14 printable sets of 36 cards for Grade 7 math along with game instructions. Topics include integers, expressions, area and perimeters of circles, rates, probability, and more. Just print on plain paper, cut, and play!

This bundle includes 14 printable sets of 36 cards for Grade 7 math along with game instructions. Topics include integers, expressions, area and perimeters of circles, rates, probability, and more. Just print on plain paper, cut, and play!

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Squaring The Circle by Michæl Paukner, via Flickr

Squaring The Circle by Michæl Paukner, via Flickr

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Waden Hill Crop Circle. This crop circle was created in 2005. The field where this crop circle is located overlooks the stone circle of Avebury, and has hosted many enigmatic and controversial formations in years past. This is certainly one to add to that memorable list. The design itself consists of a 'Penrose Triangle' with sides measuring some 126ft in length, surrounded by a circle of laid crop and then an intricate and complex pattern of laid and standing crop around the perimeter.

Waden Hill Crop Circle. This crop circle was created in 2005. The field where this crop circle is located overlooks the stone circle of Avebury, and has hosted many enigmatic and controversial formations in years past. This is certainly one to add to that memorable list. The design itself consists of a 'Penrose Triangle' with sides measuring some 126ft in length, surrounded by a circle of laid crop and then an intricate and complex pattern of laid and standing crop around the perimeter.

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