Help Please! :)
Which is not true
A) all parallelograms are rectangles
B. All rhombuses are parallelograms
C. All squares are rectangles
D. All squares are rhombuses

answer:

a

Step-by-step explanation:

It is true that every rectangle is a parallelogram, but it is not true that every parallelogram is not a rectangle. For instance, take a square. It's a parallelogram — it is a quadrilateral with two pairs of parallel faces. But it is also a rectangle — it is a quadrilateral with four right angles.

answer: it's d

step-by-step explanation:

c. side angle side. u shares the same sides