math
posted by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on .
Which of the following is a true statement?
A. All squares are rectangles.
B. All rectangles are squares.
C. All rhombuses are squares

And your answer is?

B.

Please try again after reading the following. If possible, please explain the reasoning of your choice.
A square must have equal sides.
A rectangle may have unequal sides, but sides do not have to be unequal.
A rhombus must have equal sides, and one of the angles can be anything between 0 and 180°. 
A.

A is correct!

C.