Question

Which statement is sometimes, but not always, true?

A.
A parallelogram is a rhombus.

B.
A rhombus is a quadrilateral.

C.
A trapezoid is a square.

D.
A square is a rectangle.

Answer 1

c because a trapezoids are built by 3 triangle. It can't be built by a square. Even if you tilt it you won't see a square.
~JZ
Hope it helps

Answer 2

The answer is D because every square is a rectangle but not every rectangle is a square