21
QuizMultiple Choice

Geometric Modeling in Two Dimensions — Test

Question 21 • Geometry

Which polygon is a concave octagon?

Answer
A
Image with description A polygon has 8 vertices, and all vertices point outward.
B
Image with description A polygon with 8 sides and no interior angles greater than 180 degrees.
C
Image with description A polygon has 7 vertices and one inward angle at the center vertex on the right side.
D
Image with description A polygon with 8 sides and no interior angles greater than 180 degrees.
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