rileyyonline rileyyonline
  • 12-07-2020
  • Mathematics
contestada

the value of x is: 12. 6. 2. None of the choices are correct.

the value of x is 12 6 2 None of the choices are correct class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 12-07-2020

Answer:

x=6

Step-by-step explanation:

The triangle is an equilateral triangle since all angles are 60 degrees

That means all sides are equal

3x-13 = x-1

Subtract x from each side

3x-13-x = x-1-x

2x-13 =-1

Add 13 to each side

2x= -1+13

2x = 12

Divide by 2

2x/2 =12/2

x = 6

Answer Link
09pqr4sT
09pqr4sT 09pqr4sT
  • 12-07-2020

Answer:

B. 6

Step-by-step explanation:

Two angles are 60 degrees, the other is also 60 degrees.

The triangle is an equilateral triangle.

All sides are equal.

3x - 13 = x - 1

3x - x = -1 + 13

2x = 12

x = 6

Answer Link

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