Which statement is not true? will give medal please answer

A.
Every parallelogram is a rectangle.

B.
Every square is a rhombus.

C.
Every square is a parallelogram.

D.
Every rhombus is a parallelogram.

Question

Which statement is not true? will give medal please answer

A. 
  Every parallelogram is a rectangle.

B. 
  Every square is a rhombus.

C. 
  Every square is a parallelogram.

D. 
  Every rhombus is a parallelogram.

girlover · Answer

I would choose D bc the parallelogram sides are equal but angles are not and a square needs both same sides and angles.

girlover · Answer

also there is a math section in which this question will be better placed there than here.

directrix · Answer

A. Every parallelogram is a rectangle. 
is not true and is the correct answer.

 By definition, a parallelogram is a quadrilateral with both pairs of opposite sides parallel.

A rectangle also has both pairs of opposite sides parallel and is a parallelogram.
But a rectangle has other requirements in it definition (such as right angles.) Parallelograms are not required to have interior right angles.

Option D is true. Every rhombus is a parallelogram. 

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