Homework Help: geometry

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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