As shown in the figure, in the parallelogram ABCO, it is known that the coordinates of two points a and C are a (root 3, root 3) respectively Title: 1. Find the coordinates of point B 2. Translate the parallelogram oabc to the left by 3 unit lengths of the root, and get the coordinates of the four vertices of the parallelogram 3. Find the area of parallelogram oabc (it's not necessary to solve the root sign with the knowledge of grade one in junior high school. Thank you. Hurry up ~ ~~~~~~~~~~~~~~~~~

Let's make ad ⊥ OC at point D, be ⊥ OC at point e ∵ a (√ 3, √ 3), C (2 √ 3,0), {be = AE = √ 3, CE = od = √ 3, and ∵ OE = OC + CE = 2 √ 3 + √ 3 = 3 √ 3} point B (3 √ 3, √ 3) 2

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