SOLUTION: If I have a square table cloth with a diagonal measurement of 130cm. What is the length of one side
![Rectangle Square Tablecloths Knitted Embroidery Textured Tassel Cotton Linen Decorative Oblong Table Cover for Kitchen Dining Room Picnic (55x102 Inch,Green) | Walmart Canada Rectangle Square Tablecloths Knitted Embroidery Textured Tassel Cotton Linen Decorative Oblong Table Cover for Kitchen Dining Room Picnic (55x102 Inch,Green) | Walmart Canada](https://i5.walmartimages.com/asr/d7f3b933-737a-4f4f-be1d-04eb42227fea.8214d3e32296226d1fe5da82de896c48.jpeg?odnHeight=450&odnWidth=450&odnBg=ffffff)
Rectangle Square Tablecloths Knitted Embroidery Textured Tassel Cotton Linen Decorative Oblong Table Cover for Kitchen Dining Room Picnic (55x102 Inch,Green) | Walmart Canada
![Tablecloth Sizes (Dimensions Guide) - Designing Idea | Dining table cloth, Tablecloth sizes, Tablecloth size chart Tablecloth Sizes (Dimensions Guide) - Designing Idea | Dining table cloth, Tablecloth sizes, Tablecloth size chart](https://i.pinimg.com/originals/6a/0e/a5/6a0ea54531dba7d9e69d6f803d16a5d1.jpg)
Tablecloth Sizes (Dimensions Guide) - Designing Idea | Dining table cloth, Tablecloth sizes, Tablecloth size chart
![Tegeme 8 Packs 32 x 43 Inch Cocktail Spandex Tablecloths Cocktail Round Table Cover Spandex Stretch Square Tablecloth Corner Tablecloth for Fitted High Top Table Bar Wedding Party Banquet, White : Amazon.ca: Home Tegeme 8 Packs 32 x 43 Inch Cocktail Spandex Tablecloths Cocktail Round Table Cover Spandex Stretch Square Tablecloth Corner Tablecloth for Fitted High Top Table Bar Wedding Party Banquet, White : Amazon.ca: Home](https://m.media-amazon.com/images/I/61GwJ4ic0NL.jpg)
Tegeme 8 Packs 32 x 43 Inch Cocktail Spandex Tablecloths Cocktail Round Table Cover Spandex Stretch Square Tablecloth Corner Tablecloth for Fitted High Top Table Bar Wedding Party Banquet, White : Amazon.ca: Home
![Rectangle Square Tablecloths Knitted Embroidery Textured Tassel Cotton Linen Decorative Oblong Table Cover for Kitchen Dining Room Picnic (55x87 Inch,Grey) | Walmart Canada Rectangle Square Tablecloths Knitted Embroidery Textured Tassel Cotton Linen Decorative Oblong Table Cover for Kitchen Dining Room Picnic (55x87 Inch,Grey) | Walmart Canada](https://i5.walmartimages.com/asr/40f9e130-f898-47dd-94db-8e23071a8967.2ccef5418a53791cf13fcb6b2d707df6.jpeg?odnHeight=2000&odnWidth=2000&odnBg=ffffff)
Rectangle Square Tablecloths Knitted Embroidery Textured Tassel Cotton Linen Decorative Oblong Table Cover for Kitchen Dining Room Picnic (55x87 Inch,Grey) | Walmart Canada
![Coofit Lace Tablecloth Fashion Floral Embroidery Party Tablecloth Square Tablecloth | Walmart Canada Coofit Lace Tablecloth Fashion Floral Embroidery Party Tablecloth Square Tablecloth | Walmart Canada](https://i5.walmartimages.com/asr/d7146d25-0bfe-4aed-a2bc-e8115b32ba51.790b1eaa2084b0962ad7a9d12a43b2e8.jpeg?odnHeight=450&odnWidth=450&odnBg=ffffff)
Coofit Lace Tablecloth Fashion Floral Embroidery Party Tablecloth Square Tablecloth | Walmart Canada
![Square Tablecloth - 85 X 85 Inches - Lavender Square Tablecloth, Washable Polyester Square Or Round Table - Great For Red Tablecloths For Buffet Table | Fruugo CA Square Tablecloth - 85 X 85 Inches - Lavender Square Tablecloth, Washable Polyester Square Or Round Table - Great For Red Tablecloths For Buffet Table | Fruugo CA](https://img.fruugo.com/product/3/23/432350233_max.jpg)
Square Tablecloth - 85 X 85 Inches - Lavender Square Tablecloth, Washable Polyester Square Or Round Table - Great For Red Tablecloths For Buffet Table | Fruugo CA
![2 PCS Christmas Printed Waterproof And Oilproof Tablecloth Square Tablecloth Table Mat, Specification: 180x140cm(Style 8 Love Leaves) 2 PCS Christmas Printed Waterproof And Oilproof Tablecloth Square Tablecloth Table Mat, Specification: 180x140cm(Style 8 Love Leaves)](https://img.myipadbox.com/sec/product_l/TBD0426911703H.jpg)
2 PCS Christmas Printed Waterproof And Oilproof Tablecloth Square Tablecloth Table Mat, Specification: 180x140cm(Style 8 Love Leaves)
![Vintage Halloween Pattern Square Tablecloth Skull Spider Pumpkins Rectangle Table Cloth Polyester Table Cover 54" W x 72" L for Kitchen Party Dining Home Decoration | Walmart Canada Vintage Halloween Pattern Square Tablecloth Skull Spider Pumpkins Rectangle Table Cloth Polyester Table Cover 54" W x 72" L for Kitchen Party Dining Home Decoration | Walmart Canada](https://i5.walmartimages.com/asr/f9743d4f-c35d-4eba-8951-fd7c0d109a8b.7796e7b547d6f5c58db237c48f47d1fc.jpeg?odnHeight=450&odnWidth=450&odnBg=ffffff)