Jennie makes quilts. she can make 7 quilts with 21 yards of material. how many yards of material would be required to make 12 quilts ?

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.