So lets ABCD are the sides of the square and AB=CD, AC=BD and the Angle ABC = 90 so therefore by making a diagonal we can use the SAS or SSS congruency for two triangles, so we can prove two triangles are equal and that is why the shape is square.
The common ratio would be -2 since you multiply each number by -2 to get the next number in the sequence
Answer:
the last one
Step-by-step explanation:
Answer:
its D I think........ not 100% sure
