Question

A triangle has a length of 3/4 inch and a side length of 3 inches. What could be the length in inches of the third side?

Answer 1

                        a^2+b^2=c^2

                   0.75^2+3^2=c^2

                       0.5625+9=c^2
                            ______   ____
                          /9.5625= /c^2

                       3.092329= c ( the third side)