EXAMPLE 3: USING THe converse OF THE PYTHAGOREAN THEORem KATYA IS BUYING AN EDGING FOR A TRIANGULAR SHE PLANS TO BUILD IN HER BACKYARD. IF THE LENGTHS OF THE THRee Pieces OF THE EDGING THAT SHE PURCHASES ARE 13 Feet, 10 Feet, AND 7 Feet, WILL THE FLOWER GARDen Be In The SHAPE OF A RIGHT TRIANGLe?