Proofs concerning equilateral triangles About Transcript Sal proves that the angles of an equilateral triangle are all congruent (and therefore they all measure 60Â°), and conversely, that triangles with all congruent angles are equilateral.
Lung disorders or diseases in which a hyperresonant sound is heard upon percussion. small pneumothorax, lung hyperinflation due to emphysema or acute asthma attack.
Normal Breathing Sounds . Respiratory sounds that can be heard through a stethoscope are of two kinds: the normal breathing sounds that occur when no respiratory problems exist and abnormal or adventitious sounds. The normal breath sounds are both inspiratory and expiratory.