Answer:
Explanation:
Rectangle piece of fabric has an area of (L*W =A) 18 * 14 = 252 sq cm. Each triangle being 64 sq cm, so total area of fabric divided by area of square 252/64 = 4 triangle for one square of 18x14 piece of fabric.
If you have 35 Squares, each can make 4 triangle. 35*4= 140