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A triangle has all equal sides the same length with a length of 3.5 inches.
What would be the overall area? Show your work pls.

Respuesta :

Area of triangle = 1/2 ABsinC

Since all sides are equal, it means it is an equilateral triangle
⇒All angles are 60°

Area of triangle = 1/2 ABsinC
Area of triangle = 1/2 (3.5)(3.5)sin(60°)
Area of triangle = 5.3 in²

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