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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
Weird Ways to Work with PiWho said "pi" applies only to circles? What is the value of pi for a square? For a triangle? For other shapes? In this little text we'll learn that playing with values of pi for shapes other than circles has surprising and beautiful good uses. All jolly fun!
Who said "pi" applies only to circles? What is the value of pi for a square? For a triangle? For other shapes?
In this little text we'll learn that playing with values of pi for shapes other than circles has surprising and beautiful good uses. All jolly fun!
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- Free Standard Shipping on $100+ Orders to the USA.
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- We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Love the Duvet!
Size: King (104" X 90"), Color: 04 - Linen (No Comforter)
Looks lovely and definitely a great product! Highly recommend! Color is perfect, fits perfectly
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Reviewed in the United States on May 15, 2026
★★★★★ 3
Decent
Size: King (104" X 90"), Color: 05 - Khaki (No Comforter)
I purchased a bedsure duvet and duvet cover. King size. Should’ve purchased oversized king because it barely hangs over my bed. Highly disappointed with that, being that it’s not cheap when going duvet route, but otherwise happy with its comfort and texture.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Light, cool and comfortable.
Color: 02 - Beige, Size: King
I love these bamboo sheets! They are very soft and silky feeling. They keep me cool at night. I have not had any issues with washing/drying, they come out beautifully. They feel light and airy. I would definitely consider purchasing a set in another color as well.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Well worth the money!
Color: 04 - Mineral Blue, Size: Queen
Really beautiful sheets and plenty big. So soft and cool. I love them
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Great quality.
Color: 02 - Beige, Size: Queen
Perfect sheets! Very smooth and comfortable, feel cool to the touch and don't overheat during the night. They are also very sturdy, my dog will claw sheets into a big pile on my bed and he's ruined other sheets but these have no problem with that abuse.
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Reviewed in the United States on May 22, 2026
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