2 answers:
Answer:
<u><em>O D) 540°</em></u>
Step-by-step explanation:
<em>The internal angle sum of a pentagon is 540°.</em>
<em>No shape has an internal angle sum of 90°, 180° is angle sum of a triangle, and 360° for a quadrilateral.</em>
<em></em>
<em>Hope it helps.</em>
<em>;)</em>
<em><3</em>
Answer:
D)540 degrees
Step by step explanation:
A pentagon has 5 sides, and can be made from 3 triangles so you know what its interior angles add up to 3x180 degrees=540 degrees
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