2 sentences

1. 他将铁棒烧热，将其弯成直角。

   tā jiāng tiě​bàng shāo rè, jiāng qí wān chéng zhí​jiǎo.

   He heated the iron rod and bent it into a right angle.

   Source: UM-Corpus: Spoken

2. 正方形是具有四个等边和四个直角的图形。

   zhèng​fāng​xíng shì jù​yǒu sì ge děng biān hé sì ge zhí​jiǎo de tú​xíng.

   A square is a figure with four equal sides and four right angles.

   Source: UM-Corpus: Education