The value of g in the 20 sided regular polygon is 54.
<h3>How to find the angles of a regular polygon?</h3>
If all the polygon sides and interior angles are equal, then they are known as regular polygons.
The polygon given is a 20 sided regular polygon and the measure of each angle is 3g degrees.
Therefore, let's find g.
The sum of interior angles of a 20 sided polygon is as follows:
180(n - 2) = 180(20 - 2) = 180(18) = 3240
Therefore,
each angle = 3240 / 20 = 162
Hence,
162 = 3g
g = 162 / 3
Therefore,
g = 54
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Answer:
A 100 x 5/4
Step-by-step explanation:
As the angles are supplementary, their sum would be equal to 180
∠ABC + <span>∠DEF = 180
138 + </span><span>∠DEF = 180
</span><span>∠DEF = 180 - 138
</span><span>∠DEF = 42
In short, Your Answer would be Option A
Hope this helps!</span>
Answer:
7
Step-by-step explanation:
