Question

Properties of equilateral triangle.

Answer 1

Answer:

• All sides are equal in length

All angles are equal.

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Answer 2

Answer:

• All three sides are equal.
• All three angles are congruent and are equal to 60 degrees.
• It is a regular polygon with three sides.
• The perpendicular drawn from vertex of the equilateral triangle to the opposite side bisects it into equal halves. Also the angle of the vertex from where the perpendicular is drawn is divided into two equal angles, i.e. 30 degrees each.
• The ortho-centre and centroid are at the same point.
• In an equilateral triangle, median, angle bisector, and altitude for all sides are all the same.
• The area of an equilateral triangle is √3a²/ 4
• The perimeter of an equilateral triangle is 3a.

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