So we’re starting at B and we’re going to some point D on this opposite side. So if I look at this triangle right here, we’re being asked to construct altitude BD, so that tells you the vertex that you’re going to. So in construction remember you’re only using two things a compass and a straightedge, but what is an altitude? Well we said our definition of an altitude is a perpendicular segment from a vertex to the line containing the opposite side. Retrieved 25 January 2006.You’re probably going to be asked to construct an altitude in a triangle. JetStream, the National Weather Service Online Weather School. of Environmental Medicine Thermal and Mountain Medicine Division Technical Report. Medical Problems in High Mountain Environments. International Society for Mountain Medicine. Exosphere - Thermopause to 10,000 km /6200 miles.Thermosphere - Mesopause to 675 km / 420 miles.Mesosphere - Stratopause to 85 km /53 miles.Stratosphere - Tropopause to 50 km /31 miles.Troposphere - surface to 8000 m / 5 miles at poles – 18,000 m / 11 miles at Equator, ending at the Tropopause.The Earth's atmosphere is divided into several altitude regions: These conditions are caused by the profound hypoxia associated with travel to high altitudes. Travel to high altitudes can lead to medical problems, from the mild symptoms of acute mountain sickness to the potentially fatal high altitude pulmonary oedema (HAPE) and high altitude cerebral oedema (HACE). ![]() Mountain medicine recognizes three altitude regions:
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