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abcd has been canceled. it was confirmed>_<
Define abcd!
In parallelogram ABCD, AC=BD. Is ABCD a rectangle?
"An uppercase letter" or "A capital letter".
ABCD - film - was created in 2005.
If ABCD is a parallelogram, what is the value of x?35
just abcd Actually, it is the first four letters of the alphabet. in geometry?
The Greek letter pi. pi(abcd) represents permutations of the letters in the set {a,b,c,d}.
L;'ll';l
It is k times the perimeter of EFGH where k is the constant ratio of the sides of ABCD to the corresponding sides of EFGH.
alphabets