Well, there's actually four directions from that point that you can go staying at the same height.

实际上从那个点，你可以朝着四个方向走,而保持在同一海拔高度。

youdao

Hence, all we need is one point, the lower left-hand point will do, and the height and width of the rectangle.

于是，我们所需要的就是一个点，左下角的点就可以，以及长方形的高度和宽度。

youdao

The height is completely fixed. What we have to choose just is where do we put that top point? Do we put it smack in the middle of a triangle or to a side or even anywhere we want?

高度定了，我们就要找它的坐标,我们要把它放在地面的中间呢,还是放在某个边的上方呢，还是随便放都可以呢？

youdao

Need to get the base in. Second thing I want to do, I need to get the height, so I'm going to input a value for the height, also as a float, a floating point.

也就是输入底的值，第二件我想要做的，事情就是得到三角形的高,因此我会输入一个值作为三角形的高，同样也是一个浮点数。

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