如图,在8×4的矩形网格中,每格小正方形的边长都是1,若△ABC的三个顶

如图,8×4的矩形网格中,每格小正方形的边长都是1,若△ABC的三个顶点在图中相应的格点上,tanACB的值为(     )

    A.                      B.                      C.                     D.3

答案

A【解答】解:由图形知:tan∠ACB==,故选A

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