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What is a diagonal in geometry?

Updated: 12/11/2022
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According to Wikipedia: A diagonal can refer to a line joining two nonconsecutive vertices of a polygon or polyhedron... See the related link for more detail.

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Q: What is a diagonal in geometry?
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What are the shape in geometry?

There are lot of shapes in geometry. It is called polygons. Triangle, trapezoid, circle, parallelogram, rhombus, rectangle, diagonal, square etc. Parallelogram, rhombus, rectangle, diagonal, square, and trapezoid are quadrilaterals.


How do you find the length of a diagonal?

In general, you measure it. In a few special cases you may be able to use geometry or trigonometry.


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How do you locate the square root if two on a number line using geometry?

Draw a square which is 1 unit by 1 unit in size. By Pythagoras, the diagonal of the square will be sqrt(2) units in length.


How do you find the internal diagonal of a cube?

Say you know the surface area of said cube is 450. cubes have six sides, so you need to find the area of one of them by doing 450/6 = 75. Think about 2d geometry. If you have a rectangle, how do you find it's diagonal? Using the Pythagorean theorem 'a' squared plus 'b' squared equals 'c' squared (keep in mind a + b doesn't equal c). so to get the interior diagonal, you need the diagonal of one of the faces and the length of a side. then re-use pythagorean to get it.


What are some real world applications of geometry?

Euclidean geometry has become closely connected with computational geometry, computer graphics, convex geometry, and some area of combinatorics. Topology and geometry The field of topology, which saw massive developement in the 20th century is a technical sense of transformation geometry. Geometry is used on many other fields of science, like Algebraic geometry. Types, methodologies, and terminologies of geometry: Absolute geometry Affine geometry Algebraic geometry Analytic geometry Archimedes' use of infinitesimals Birational geometry Complex geometry Combinatorial geometry Computational geometry Conformal geometry Constructive solid geometry Contact geometry Convex geometry Descriptive geometry Differential geometry Digital geometry Discrete geometry Distance geometry Elliptic geometry Enumerative geometry Epipolar geometry Euclidean geometry Finite geometry Geometry of numbers Hyperbolic geometry Information geometry Integral geometry Inversive geometry Inversive ring geometry Klein geometry Lie sphere geometry Non-Euclidean geometry Numerical geometry Ordered geometry Parabolic geometry Plane geometry Projective geometry Quantum geometry Riemannian geometry Ruppeiner geometry Spherical geometry Symplectic geometry Synthetic geometry Systolic geometry Taxicab geometry Toric geometry Transformation geometry Tropical geometry


How does a diagonal look like?

diagonal


What is diagonal area?

A diagonal is a line so the area of any diagonal must be zero.


How do you use geometry words to describe how diagonals of quadrilaterals make triangles in a good fourth grade understandable way in a sentence?

There are 180 degrees in a triangle and 360 degrees in a quadrilateral and its diagonal cuts the quadrilateral into two triangles.


What is the diagonal of a circle?

The diagonal of a circle is its diameter


How many diagonal sides does a rectangle have?

A diagonal cannot be a side of a rectangle, and a side cannot be a diagonal.