Find the area of a square, one of whose diagonals is 3.8 m long

1.	Find the area of a square, one of whose diagonals is 3.8 m long
A.	7.22
B.	6.22
C.	4.22
D.	3.22
Answer» B. 6.22

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Find the area of a square, one of whose diagonals is 3.8 m long

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