Answer:
In the case of the equilateral triangle, , the exterior angle, plus 60 equals 180. Subtracting 60 from both sides of this equation gives us a value of equal to 120. This means that the exterior angle of an equilateral triangle is equal to 120 degrees. The sum of all the exterior angles is always 360 degrees.
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Answer:
6250
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Definition of the question 
 
        
                    
             
        
        
        
Answer:
we need a number line for this question...
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Answer:
1st Blank: 5
2nd Blank: 3
3rd Blank: -8
4th Blank: -8
5th Blank: 12
Step-by-step explanation:
15x+35y=-100
-15x+9y=-252
___________
44y=-352
___   ___
44       44
y=-8
3x+7(-8)=-20
3x-56=-20
    +56  +56
__________
3x=36
__  __
3     3
x=12