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geometry

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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 -

    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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