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We can construct an equilateral triangle is uniquely if we know its ___. |
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Answer» Answer: In geometry, an EQUILATERAL TRIANGLE is a triangle in which all three SIDES have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°. It is also a regular polygon, so it is also referred to as a regular triangle. Equilateral triangle Triangle.Equilateral.svg Type Regular polygon Edges and vertices 3 Schläfli symbol {3} Coxeter diagram CDel node 1.pngCDel 3.pngCDel node.png Symmetry group D3 Area {\displaystyle {\tfrac {\sqrt {3}}{4}}a^{2}}\tfrac{\sqrt{3}}{4} a^2 Internal ANGLE (degrees) 60° |
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