The given shape is a regular pentagon. Work out the value of angle x and angle y.
E
B
D

Step-by-step explanation:

Since there are missing data, let's discuss some facts about regular polygons and their angles.

1) The sum of its Interior angles is given by:

2) Since it is a regular pentagon, each interior angle is congruent:

Each interior angle:

3) If we trace an outside line, the external angle will be supplemental, i.e.

4) If we trace from each diagonal one line segment, in a regular pentagon that will form 3 triangles with one-third of 108º,i.e.,36º

As we can see, the in the picture below

step-by-step explanation:

most likely the answer is a.

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