Question

Which statement is true?
a) all rectangles are parallelograms
b) all quadrilaterals are rectangles
c) all quadrilaterals are squares
d) all parallelograms are rectangles

Answer 1

a) is true, a rectangle is defined as a parallelogram with four right angles.

Answer 2

thanks!

Answer 3

A quadrilateral only needs to have four sides.
Quadrilaterals can be squared and rectangles but don't have to be, and you're welcome! :D