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Area of an Equilateral Triangle
The area of an equilateral triangle is the amount of space enclosed within its three equal sides. An equilateral triangle is a triangle with all sides equal and all angles equal to 60 degrees. The area of an equilateral triangle depends on the length of its sides and can be calculated using a simple formula.
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All About the Mighty Diameter: The Backbone of the Circle
Circles! Those perfect loops of endless fascination. From celestial bodies to pizza pies, circles pervade our world. But have you ever stopped to ponder the mighty diameter, the unsung hero that defines a circle’s very existence? Buckle up, knowledge seekers, because we’re diving deep into the world of diameters!
What is Diameter?
Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere.
In more modern usage, the length d of a diameter is also called the diameter. In this sense one speaks of the diameter rather than a diameter(which refers to the line segment itself), because all diameters of a circleor sphere have the same length, this being twice the radius r.
What is Secant?
What is Secant
In geometry, a secant is a line that intersects a curve at a minimum of two distinct points. The word secant comes from the Latin word secare, meaning to cut. In the case of a circle, a secant intersects the circle at exactly two points.
A chord is the line segment determined by the two points, that is, the interval on the secant whose ends are the two points.
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