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  • 3 years ago

Save The perimeter of an isosceles triangle is 29 feet. If the base measures 15 feet what is the measure of the other two sides?

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  1. Grazes
    • 3 years ago
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    For a triangle to be an isosceles triangles, it MUST have ONLY 2 sides congruent (the lengths of 2 sides must be equal. Assuming that the base is not equal to one of the other sides, you should come up with the equation \[P=2x+b\] where P is the perimeter, 2x is the sum of the lengths of the 2 congruent sides, and b is the length of the base. "plug-in" the numbers to get: 29=2x+15 which simplifies to 14=2x or x=7

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