Find the perimeter of the polygon shown in the figure.
2 answers:
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Answer:
<h2>145°</h2>Step-by-step explanation:
There are two ways to find the value of X
( sum of co-interior angles)
Move constant to R.H.S and change its sign
Calculate the difference
°
You can use another way too.
° ( being vertically opposite angles)
Vertically opposite angles are always equal.
Hope this helps...
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Try this solution:
1. In order to built the line required in the condition it need to determine its equation.
Using the coordinates of point B (5;2), if to substitute them into the given equation: 2=-3*5+b, ⇒ b=17. It means, that the equation of the line required in the condition is y= -3x+17.
2. The graph is in the attachment; point (0;17) is the intersection point of Y-axis and the line.
