The legs of an isosceles triangle have lengths 2x + 4 and x + 8. The base has the length 5x – 2. What is the length of the base?

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The legs of an isosceles triangle have lengths 2x + 4 and x + 8. The base has the length 5x – 2. What is the length of the base?

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    2021-09-11T05:12:50+00:00

    The lengths have equal length so solve for “x”.
    2x+4 = x+8
    x = 4

    Then base = 5x-2 = 5*4-2 = 18

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