## Proof Formulas of Area of Equilateral Triangle & Right Angle Triangle

Equilateral Triangle Formula The Equilateral Triangle is another common type having all three sides are equal and the interior angles are also the same i.e. 60-degree. The equilateral Triangle Formulas in geometry are given as – \[ Area \;of \;an \;Equilateral \;Triangle = \frac{\sqrt{3}}{4}a^{2}\] \[ Perimeter \;of \;an \;Equilateral \;Triangle = 3a\] \[ Semi \;Perimeter […]

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