There is not enough information to determine whether or not the triangles are similar.
You can get 2 triangles by cutting a parallelogram in half
By cutting through its diagonal and cutting off each corner parallel to its diagonal which will leave you with 2 triangles and 2 trapezoids.
60 or 65
By cutting off two of its corners which will leave you with 2 triangles and 1 pentagon.
Possibilities are: triangles, pentagons, and quadrangles.
With a pair of scissors by cutting off two off its corners leaving you with 2 triangles and 1 pentagon.
applying the correct degree of tension to the hair when cutting
steep canyons can form when down cutting is slow or fast
The correct spelling is scissors (cutting tool).
You make quick cat ears by using corragated cardboard and cutting out small triangles. Or if you're just drawing it then just simply draw two triangles on either side of the head and then draw another triangle inside each of the triangles you have already drawn.
'Felling' is correct, meaning cutting down of trees.
People cut sandwiches into triangles to make them look special. There aren't many things you can do with a sandwich to make it look festive. You can cut off the crusts or cut shapes out of it with a cookie cutter, but that wastes part of the sandwich. Cutting it into triangles is a quick and easy way to 'fancy up' a plain sandwich.