(-25)+12= 13
40+(-63)= -23
The second one is less
I think it's 462.99, rounded it's 463
The given polygon isa pentagon and the sum of its exterior angle is 360°. The value of x from the given polygon is 8
<h3>Sum of the exterior angle of a polygon</h3>
The given polygon isa pentagon and the sum of its exterior angle is 360°.
Take the sum of the angles and equate to 360° as shown;
77 + 66 + 62+ 59 + 12x = 360°
264 + 12x = 360
12x = 96
x = 8
Hence the value of x from the given polygon is 8
Learn more on exterior angles here: brainly.com/question/2546141
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