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tino4ka555 [31]
3 years ago
14

The length of the base of an isosceles triangle is x. The length of a leg is 5x -5. The perimeter of the triangle is 111. Find x

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

x = 11

Step-by-step explanation:

Perimeter of a triangle = the sum of the three sides.

In an isosceles triangle there is a base and two equal legs

Perimeter = (x)  + (5x - 5) = (5x - 5)

            111 = 11x -10

           111 + 10 = 11x

            121 = 11x

            \frac{121}{11} =\frac{11x}{11}

               x = 11

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