ABCD is a square . if the coordinates of three of its vertices are A(-1,2a), B(a,2a), C(a,0), find the coordinates of D. BC is obviously 2a (it's a vertical line) then AB must be 2a (notice AB is horizontal) so BC = AC because it is a square 2a = a+1 a=1
8/0.61=13.114… then round if needed
That's easy it is 5,300,000 I think by the way Might be wrong I hurt my eye so yea don't say I am not good at math it is my eye hurting or it can be 5,300,288
Answer:

Explanation:
05/10
Simplifying
1/2
or 2^-1
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Answer:

Step-by-step explanation:
The angle formed by
and the angle marked as
are co-interior angles and therefore must be supplementary (add up to 180 degrees).
Therefore, we have:
