Posted by **Billy** on Sunday, October 23, 2011 at 1:05pm.

An isosceles triangle has a base of 9.8 units long. If the congruent side lengths have measures to the first decimal place, what is the shortest possible length of the sides.

- geometry -
**Henry**, Monday, October 24, 2011 at 2:40pm
a + c > b,

a + c > 9.8, a - c.

Substitute a for c:

a + a > 9.8,

2a > 9.8,

a > 4.9,

a = c = 5.1.

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