To obtain a more accurate answer! :)
Answer:
400
Step-by-step explanation: 2x200=400
a. my opposite sides are parallel
FALSE. Only the basis sides are parallel.
<u>b. I am a quadrilateral </u>
TRUE. A trapezium has 4 sides.
c. I have all the sides equal
FALSE. The trapezium is a special shape in that it does not, unlike the square or rectangle, have to have any equal side lengths.