Question

all polygons are quadrilaterals.

a. true
b. false

Explanation:

Define polygon and quadrilateral

A polygon is a closed plane figure bounded by three or more straight line segments. A quadrilateral is specifically a four-sided polygon.

Identify a counterexample

A triangle is a polygon with three sides, which is not a quadrilateral. Therefore, not all polygons are quadrilaterals.

Answer:

• A. True
• B. False (Correct answer)