# SOLUTION: an isosceles triangle has a base of 10 units. If the congruent sides have whole number measures what is the least possible length of the sides? A)5 B)6 C)17 D)21

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 Question 253926: an isosceles triangle has a base of 10 units. If the congruent sides have whole number measures what is the least possible length of the sides? A)5 B)6 C)17 D)21Answer by MRperkins(300)   (Show Source): You can put this solution on YOUR website!If the base is 10 and the two congruent sides were each 5. Then you would have a segment addition postulate (meaning that they are all on the same line). You would not have a triangle, you would have a line segment. Therefore, the sum of the 2 sides is greater than 10. So what is the smallest number that will satisfy this? s+s>b b=10 s+s>10 2s>10 s>5 .