A rectangle with a lenght 60 and width 45 can be divided(分)into 2700 squanes with a side length of 1.If you draw a diagonal(对角线) of the rectangle,how the rectangle,how many squares does the diagonal go through?图:
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A rectangle with a lenght 60 and width 45 can be divided(分)into 2700 squanes with a side length of 1.If you draw a diagonal(对角线) of the rectangle,how the rectangle,how many squares does the diagonal go through?图:
A rectangle with a lenght 60 and width 45 can be divided(分)into 2700 squanes with a side length of 1.If you draw a diagonal(对角线) of the rectangle,how the rectangle,how many squares does the diagonal go through?
图:
A rectangle with a lenght 60 and width 45 can be divided(分)into 2700 squanes with a side length of 1.If you draw a diagonal(对角线) of the rectangle,how the rectangle,how many squares does the diagonal go through?图:
先画一个4*3的,画一下对角线,然后等比例放大15倍就好
长为60, 宽为45的长方形, 分成2700个边长为1的正方形,, 画一条长方形的对角线, 问它会穿过多少过小正方形?
你可画一下图, 用坐标来解。不难。 tan 值