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There are several approximations, but easiest (I think) is shown below: P=pi{3(a+b) - square root of: [(3a+b)(a+3b)]} Where a=major axis (long diameter) … and b= minor axis (smaller one) (MORE)

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No. A function is a "graph" the survives the "vertical line test". Namely, it is for every x in its domain, there can be one and only one f(x) in its co-domain. An ellipse cle…arly fails it at everywhere except it's two vertex. But an ellipse can be thought as two separate functions. A standard ellipse relation, x^2 / a + (y)^2 / b = 1, can be thought as two separate real functions of y1 and y2. where y1 = -y2 exactly. (MORE)

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In Algebra

As you may or may not be aware, there are multiple co-ordinate systems by which a graph may be defined. An ellipse graph has the general equation in the following systems: C…artesian (what most people are used to): (X-H)^2 (Y-K)^2 ---------- + ----------- = 1 (A,B,H,K are constants) A^2 B^2 Polar: r(θ)= sqrt( (bcos(θ))^2+(asin(θ))^2 ) Parametric: x = a cos(t) , y = b sin(t) (MORE)

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The set of all points in a plane for which the sum of the distances to two fixed points equals a certain constant. - APEX

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If R is the horizontal radius and S is the vertical radius, the Cartesian formula for an ellipse is: f(x) = plusminus (S/R)(sqrt(R2-x2))

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An elipse is like a circle that is a bit flattened. an ellipse is an oval.

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An eclipse is when the moon or sun block each other out. An ellipse is a mathmaticle geomotry tearm that has to do with curves.

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Oval like an egg. hey how did u create that question please tell me ^ that is so not the answer -.- An ellipse is an oval with a line going down the middle and a l…ine going across. thatd make it look like a square (kinda) inside the oval :D (MORE)

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Yes, the moon's orbit is elliptical. It has some eccentricity to it (e = 0.0549). The measure of eccentricity is done to give astronomers an idea of how "out of round" a b…ody's orbit about a center is, and it can vary between e = 0 for a perfect circle (no eccentricity), on out to e = 1 for the longest, skinniest ellipse you can immagine (infinite eccentricity). Further to that correct answer, when the eccentricity is small, as it is for the planets (except Mercury), the orbit is very nearly circular, and the eccentricity measures how far off-centre the Sun is. For example the Earth's orbit has an eccentricity of 1/60 and a radius of 150 million kilometres. The Sun is offset from the centre by 150/60 million km, or 2.5 million km. The maximum diameter of the elliptical orbit is 300 million km, while the minimum diameter is 299.96 million km, so there is virtually no 'squashing' of its circular shape. (MORE)

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ellipsity is the name of a NYC tech startup, combining the grammatical ellipsis (meaning the omission of superfluous words) with the common english suffix -ity (the qualit…y of) because they want to bring back into the world what traditional advertising has omitted and overlooked. Things formerly believed to be superfluous to advertising like caring about consumers, smaller cos, society, non-profits are not superfluous and are instead the very foci of ellipsity. It may also be a misspelling of ellipticity. (MORE)