The absolute height of a location, usually measured from sea level.
As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains.
A vertical distance.
The line perpendicularly connecting a figure’s vertex, especially a triangle’s apex, to the side opposite to the vertex.
All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.
From Middle English, borrowed from Latin altitūdō (“height”), from altus (“high”).
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