What type of triangle has side lengths 9, 10, and 130√?

No such triangle is possible

Step-by-step explanation:

The triangle with sides 9, 10 and 130 units is not possible because the thumb rule is that the sum any two sides of a triangle must be greater than the third side and here in this question sum of 9 and 10 is less than 130. therefore, we can say that the triangle with sides 9,10 and 130  is not possible

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step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x