Q: In the given word ‘ETHICAL’ which alphabets show rotational symmetry of order 2?

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When a shape is rotated about its centre, if it comes to rest in a position and looks exactly like the original, then it has rotational symmetry. A shape like an equilateral triangle would therefore have an order of rotational symmetry of 3. The general rule for a regular polygon (shapes such as pentagons, heptagons, octagons etc. is, that the number of sides is the same as the number of lines of symmetry, which is also the same as the rotational symmetry order). This means that a regular hexagon has 6 sides, 6 lines of symmetry and an order of rotational symmetry of 6. Following from this, then a square, which is a regular polygon, has 4 sides, 4 lines of symmetry and an order of rotational symmetry of 4. If a shape has rotational symmetry, it must have either line symmetry or point symmetry or both. For example, a five pointed star has 5 lines of symmetry and rotational symmetry of order 5, but does not have point symmetry. A parallelogram has no line of symmetry, but has rotational symmetry of order 2 and also point symmetry. Only a shape which has line symmetry or point symmetry can have rotational symmetry. When there is point symmetry and also rotational symmetry, the order of the latter is even. For example, the letter 'S' has rotational symmetry of order 2, the regular hexagon of order 6. On this basis, we would suggest that the letter 'F' does not have a rotational symmetry order as it does not have either line symmetry or point symmetry. It doesn't have a centre around which you could rotate it. Sounds weird, but given the definitions, we think this is the case.

symmetry was always existing but given a thought later

The answer will depend on the figure, the type(s) of symmetry and what information about is is given.

Rotational symmetry, such as rotating an n-sided regular polygon through angles of 360k/n degrees (2kPI/n radians) about the centre (k is an integer) Reflectional symmetry, where each point perpendicular to a given axis of symmetry at a distance D say, is reflected to the other side of the axis at the point again a distance D from the axis. Translational symmetry. The best examples of such symmetries are sine or cosine curves which are translated a distance 360k degrees (2PI radians) along the x-axis. Tiling patterns are other examples All other types of symmetries in the plane are compositions of the above three.

Generally speaking, no language uses more than 1 alphabet at any given time in its history. Rare exceptions occur where there are political divisions, such as Serbo-Croatian (which is the same language written with 2 different alphabets).

Symmetry balance occurs when both sides of a given arrangement are equal. The object is in balance and the same number of items are on each side.

Ethical standards can be described as the rules of acceptable conduct within a society at a given time. They are never universal and are always changing.

A rotational landslide (or just rotational slide) is the term usually given to what the USGS calls "A landslide on which the surface of rupture is curved upward (spoon-shaped) and the slide movement is more or less rotational about an axis that is parallel to the contour of the slope."

We don't have the item you were given so can't give an answer.

The meaning of literary piece refers to the work of a given writer. It also refers to anything that has bee expressed in letters or alphabets.

only spheres take up all the given points in a given space

it has...well i dont know yet becuase you havent yet given me a answer

Unless you count making the participants feel traumatized by the fact that they didn't get correct length of the lines, I think it's ethical. Of course de-briefing statement has to be given if you intend to replicate the design.

Ethical behavior is acting in a respectful way regarding basic moral principles like: equality, fairness, honesty, integrity, and respecting the dignity, diversity and rights of other people. In essence, ethical behavior is integrity of actions in any given situation, as much when no one is looking as when the one has an audience.

In The Center Of The Rotating Platform Right At Its Axis You Have No Linear Speed At All, But You Do Have Rotational Speed. Your Rotational Speed would Stay The Same But As You Move Away From The Center Your Linear Speed Gets Faster And Faster. If You Move Twice As Much From The Center Your Linear (Tangential) Speed Would Also Be Twice as Much

The description given fits that of a trapezoid

Ethics deal with what is right and wrong in a given society. For Human beings, generally, there is ethical behaviour which is the respect for humanity in general. When we respect humanity, we will not be in conflict with societal norms such as not steal, not kill, be honest etc.

The force represents the ratio between the rotational work and the radius of rotation.

Lobe-finned fishes are though to have given rise to amphibians. This is due to the body plan and body symmetry of the fish, which is very similar to that of an amphibian.

In any regular polygon with an odd number of sides, a straight line from a vertex to the mid-point of the opposite side is a line of symmetry. So, for a pentagon, the answer is 5.

The actinomorphic flower is basically a floral symmetry that describes how a given flower can be divided into mirror image parts.

moment of inertia is the rotational equivalent of mass. it is given by I= Mk2 moment of inertia in rotational motion play the same role as mass in linear motion, that is in linear motion f = ma while in rotation, torque= I*Angular acceleration where I is the moment of inertia

Yes. In fact they will, given enough time, due to rotational energy being lost through gravitational waves.

Infinite lines because a circle has infinite lines of symmetry.

A scalene triangle would fit the given description if it has 3 different acute angles that add up to 180 degrees.

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