Respuesta :

Viishnu15
Find the total ° of the shape.
(5-2) x 180°= 540°

x+21°+x = 540°-105°-154°-88°
2x+21° = 193°
2x = 193°-21°
2x = 172°
x = 172° ÷ 2
x = 86°
vamok

Answer:

86

Step-by-step explanation:

First we need to know that a hexagon contains 540 degrees worth of angles.

Now we can build an equation:

x + 21 + 105 + x + 154 + 88 = 540

Now we gather like terms:

2x + 368 = 540

Subtract 368 from both sides of the equation:

2x + 368 -368 = 540 -368

2x = 172

Now we divide both sides by 2 to isolate the x:

[tex]\frac{x}{2}  = \frac{172}{2}[/tex]

x = 86

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