如何用pycharm画宽为15像素,高为8像素的红色平行四边形? 一个四边形题目 谢谢

\u7406\u5de5\u5b66\u79d1\u6570\u5b66

\u505aDF\u5782\u76f4\u4e8eAC,\u4ea4AC\u4e8eF\u70b9\uff0c\u6839\u636e\u9898\u6709
\u25b3ABE,\u25b3DFE\u4e3a\u7b49\u8170\u76f4\u89d2\u4e09\u89e3\u5f62\uff0c\u25b3CFD\u4e3a\u76f4\u89d2\u4e09\u89d2\u5f62\uff0cCD\u4e3a\u25b3CFD\u7684\u659c\u8fb9

\u2235BE=2\u221a2, \u2234AB=AE=2

\u2235DE=\u221a2\uff0c\u2234DF=EF=1\uff0c\u53c8\u2235\u2220DCE=30\u5ea6\uff0c\u2234CD=2DF=2\uff0c\u540c\u65f6\u6c42\u5f97CF=\u221a3
\u2234AC=AE+EF+CF = 2 + 1 + \u221a3=3+\u221a3

\u2234Sabcd = S\u25b3abc + S\u25b3acd = AC*AB/2 + AC*DF/2

=AC*(AB+DF)/2
=(3+\u221a3)(2+1)/2 = 3(3+\u221a3)/2

60\u5ea6\uff0c1

#-*- coding: UTF-8 -*-
from PIL import Image
from PIL import ImageDraw

w = 15
h = 8

#创建一个背景为白色的图像
blank = Image.new("RGB", (2*w, 2*h), 'white' )
#创建绘图对象
drawObj = ImageDraw.Draw(blank)

#平行四边形x轴偏移量
offset = w/2
#计算平行四边形四个点位置,1左上,2右上,3右下,4左下
x1, y1 = w/2, h/2
x2, y2 = x1+w, y1
x3, y3 = x2-offset,y2+h
x4, y4 = x3-w, y3
#画多边形
drawObj.polygon([x1,y1,x2,y2,x3,y3,x4,y4,x1,y1], outline=(255, 0, 0))
#显示
blank.show()

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