<PRE><B>Question 254902</B>
A triangle has two sides of length 7 and 9. What value could the length of the third side be

let us have point A be (0,0)
                  B    (0,7)
                  C    (9,0)
so AB=7, AC=9, and BC= ?

distance BC = sqrt((9-0)^2+(0-7)^2)=sqrt(9^2+(-7)^2)=sqrt(81+49)=sqrt(130)
BC=sqrt(130)
BC=11.4018 rounded to 4 places

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