-12/-9=y/-4
cross multiply
-9y=48
divide by 9 on each side
y= -5.33
The formula for working out the total interior is:
180(n-2) = 1260
So let’s rearrange by dividing both sides by 180 and find what n is:
n-2 = 7
Then let’s add 2 to both sides to find what n is:
n=9
Each interior angle is 1260/9 = 140°.
The sum of the interior angle and its corresponding exterior angle is 180°.
Therefore, the polygon has 9 sides. :)
The output is -20 to this question
Answer:
86°
Step-by-step explanation:
180° is the sum of all angles in a triangle
The two angles given are 68° and 26°
The equation is : 180° - 68° - 26° = x°
180° - 68° - 26° = 86°
x° = 86°
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-Chetan K
Answer:
Step-by-step explanation:
Hey there!
To find slope, you take 
In this case
y2: 6
y1: 4
x2: -3
x1: 0
Now we plug in this information
Since this is the slope, you have to add a "x"
So, the slope is
