3 years ago

The diagram shows a pentagon ABCDE.

Mathematics

1 answer:

Annette [7]3 years ago

5 0

Answer:

Explained in step by step

Step-by-step explanation:

sum of Interior angles of pentagon: 180 x 3 = 540°

Regular pentagon has 5 congruent interior angles: 540 /5 = 108°

If EAB = 118° then ABCDE is not regular

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