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Q: What are Shapes of 4 congruent triangles?

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false

Are congruent triangles.

No. For example the triangles with sides {3, 4, 5} and {6, 8, 10} are similar but not congruent.

sssThere are five methods for proving the congruence of triangles. In SSS, you prove that all three sides of two triangles are congruent to each other. In SAS, if two sides of the triangles and the angle between them are congruent, then the triangles are congruent. In ASA, if two angles of the triangles and the side between them are congruent, then the triangles are congruent. In AAS, if two angles and one of the non-included sides of two triangles are congruent, then the triangles are congruent. In HL, which only applies to right triangles, if the hypotenuse and one leg of the two triangles are congruent, then the triangles are congruent.

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Related questions

I think a rectangle is NOT made up of congruent shapes because it only does not have triangles.

a rectangle

false

Figure that are congruent are shapes are the same size and shape. So when two formed congruent triangles are both together they fit just right.

4 congruent pairs

to prove two triangles are similar, get 2 angles congruent

A right triangular prism.

Are congruent triangles.

There are two types of quadrilaterals that are formed when two congruent equilateral triangles are joined. These shapes are rhombus and parallelogram.

No. For example the triangles with sides {3, 4, 5} and {6, 8, 10} are similar but not congruent.

None! If the angles are not congruent then the shapes are not similar of congruent. But that is not a problem. The angles of an equilateral triangle are not congruent to the angles of a square but that does not mean that you cannot work with equilateral triangles or squares!

square

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