Respuesta :
Answer:
C. If a polygon is not called a quadrilateral, then it does not have four sides.
Step-by-step explanation:
If P ⇒ Q is a statement, then the contra positive of this statement is:
not Q ⇒ not P.
A statement and its contra positive are equivalent.
The given statement is :
"If a polygon has four sides, then it is called a quadrilateral."
The contra positive of the above is:
"If a polygon is not called a quadrilateral, then it does not have four sides" which is given in (C).
Hence, the correct option is (C).
Answer:
The best answer is "D"
If a polygon does not have four sides, then it is not called a quadrilateral.
Explanation:
If P ⇒ Q is a statement, then the inverse of this statement is:
not Q ⇒ not P.
A statement and its inverse are equivalent.
For the statement :
"If a polygon has four sides, then it is called a quadrilateral."
The inverse is " If a polygon does not have four sides, then it is not called a quadrilateral ".