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.
Yeah exactly. In percussion, it's common to refer to short or nonexistent resonance decay as a dry sound (usually considering environment). An example of a dry sound would be hitting a solid piece of wood outsife in a field. A wet sound would be long resonance, like playing a concert bass drum in a basketball gym.