<h3>Adjacent is not acute or right angle. Right angles are 90 degrees and acute are 89 and below. </h3><h3 /><h3>Adjacent are 91 and above so ACD would be adjacent and so would PRS.</h3><h3></h3><h2>Anwsers are: <em><u>ACD & PRS</u></em></h2><h2></h2><h2></h2>