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Part 1
The length of the base of an isosceles triangle is x. The length of a leg is 33xminus−55. The perimeter of the triangle is 9595. Find x.
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Part 1
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1 answer

To find the value of \( x \) for the isosceles triangle given the base length and the lengths of the legs, we can set up an equation based on the perimeter of the triangle.

  1. The base length of the triangle is \( x \).
  2. The length of each leg of the triangle is \( 33x - 55 \).

Since the triangle is isosceles, the perimeter \( P \) can be expressed as: \[ P = \text{base} + 2 \times \text{leg} = x + 2(33x - 55) \]

We know from the problem that the perimeter is 9595: \[ x + 2(33x - 55) = 9595 \]

Now, let's simplify the equation: \[ x + 66x - 110 = 9595 \] \[ 67x - 110 = 9595 \]

Next, we can isolate \( x \): \[ 67x = 9595 + 110 \] \[ 67x = 9705 \]

Now, divide both sides by 67: \[ x = \frac{9705}{67} \] \[ x = 145 \]

Thus, the value of \( x \) is: \[ \boxed{145} \]