Question

2.6.6 check your understanding
a statement is given.
\a square has four congruent sides.\
complete the statement.
the negation of the statement \a square has four congruent sides.\ is \
a square has three congruent sides.
a square sometimes has four congruent sides.
a square does not have four congruent sides.\

Explanation:

The negation of a statement is the opposite of the original statement. For the statement "A square has four congruent sides", its negation is that the property of having four congruent sides is denied for a square.

Answer:

A square does not have four congruent sides.