qǐng / yán / zhe / zhè / tiáo / duì / jiǎo / xiàn / bǎ / zhèng / fāng / xíng / fēn / chéng / liǎng / gè / sān / jiǎo / xíng

请沿着这条对角线把正方形分成两个三角形。

Please divide the square into two triangles along this diagonal.