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goldenfox [79]
3 years ago
15

The perimeter of an isosceles triangle is 25 ft. The length of the third side is 2 ft less than the length of one of the equal s

ides. Find the measurement of the three sides of the triangle.
Mathematics
1 answer:
Fittoniya [83]3 years ago
8 0

Answer:

The side lengths are 9, 9 and 7.

Step-by-step explanation:

The sum of the 2 equal sides plus the shorter side is 25 ft.

Representing these unknowns:

2 sides are of length s, and the third (shortest) side is then s - 2.

Thus,  s + s + (s - 2) = 25, or 3s = 27.  Thus, s = 9 and s-2 = 7

The side lengths are 9, 9 and 7.

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