If E is a point on side AB of an equilateral triangle
ABC such that CEꞱ AB, Then, find AB2
+ BC2 +
AC2
in terms of CE.
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If E is a point on side CA of an equilateral triangle ABC such that BE is perpendicular to CA, then prove that AB2 + BC2 + CA2 = 4 BE2 .
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Temperature is a physical quantity that expresses hot and cold. It is the manifestation of thermal energy, present in all matter, which is the source of the occurrence of heat, a flow of energy, when a body is in contact with another that is colder or hotter. Temperature is measured with a thermometer.
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