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.
crepitant rale a sound like that made by rubbing hairs between the fingers, heard at the end of inhalation. dry rale a fine sound heard in interstitial lung diseases such as idiopathic pulmonary fibrosis. moist rale a sound heard over fluid in the bronchial tubes. subcrepitant rale a fine moist rale heard over liquid in the smaller tubes.