Can anyone help me with this geometry test please like I will do anything Also NO links!!

It c

Step-by-step explanation:

the answer is :

C. All squares are parallelogram but all parallelograms aren't squares,

since square has it's opposite sides parallel and equal and their diagonals also bisects each other, so we conclude that all squares are kind of special parallelograms, but a parallelogram can't be a square because it don't necessarily have all its sides equal and each angle measuring 90°.

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

do your own work and don"t cheat.

step-by-step explanation: