Anyone help me with this question please :((

Maggie graphed the image of a 90 counterclockwise rotation about vertex a of . coordinates b and c of are (2, 6) and (4, 3) and coordinates b’ and c’ of it’s image are (–2, 2) and (1, 4). what is the coordinate of vertex a.

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Ineed a personal mineral intake one day analysis? 350-500 word essay, or just a paragraph would of made up minerals you ate .