作业帮help me!
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/12 20:41:26
xMN0F*=MIL D!XpKĂgRA4<}_v z.Ǎ|¼ב٨䬺W>Yu !/ۮ
VUqFeUݗszɅ @Z72a+lX0*P% YelS $eDAt
jak?\X2.)KbAK! @.WjG6e ,`ٟbt8xDI8,i?&%
help me!
help me!
help me!
设原角为x°
(180-x)+10=3(90-x)
190-x=270-3x
2x=80
x=40