Different kinds of sewing machine​

Types of Sewing Machines 

Mechanical Treadle Sewing Machines.

Electronic Mechanical Sewing Machines.

Mini and Portable Machines.

Computerized or Automated Machines.

Embroidery Machines.

Quilting Machines.

Overlocking or Serger Machines.

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step-by-step explanation:

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geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

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