Hi

Isosceles Triangle P = 20cm

3rd   =sides

2     9

4     8

6     7

8     6

10    5  Albeit this would be an Equilateral Triangle

All that will work such that the longer side is less than the sum of the equal sides



 

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
 A triangle with sides 10, 5 and 5 would not be equilateral. 

No matter what you call it, such a triangle is not possible either, 

since the sum of two sides 5 and 5 is not greater than the third 10. 

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