To show triangles are congruence they are four ways. 1  If all three sides of triangle are same then they are congruent. (SSS) 2  If two sides of triangle and the angle connecting them are the same ( SAS) 3  Two angles and a corresponding side (ASA or AAS) 4  Right angled triangles only the hypotenuse and one side are the equal (RHS)
The severity of symptoms is related to the severity of the fever. Fever and systemic symptoms typically last 3 days, occasionally up to 4-8 days, and gradually diminish; however, cough and malaise may persist for more than 2 weeks. Second fever spikes are rare. The physical findings are summarised in table 3. Full recovery may take 1-2 weeks, or longer, especially in the elderly. Table 3. Physical findings of uncomplicated influenza. Fever: rapidly peaking at 38-40Â°C (up to 41Â°C, especially in children), typically lasting 3 days (up to 4-8 days), gradually diminishing; second fever spikes are rare.
Other common symptoms include: headache; chills; loss of appetite; fatigue (tiredness) sore throat; runny or stuffy nose; Some people, especially children, may also experience: a stomach ache; diarrhea; nausea and vomiting; It takes 1 to 4 days for flu symptoms to appear after exposure to the virus. Most people recover from the flu in 7 to 10 days.