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When they are identical in sizes and angles

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Q: How do you know if shapes are congruent?
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Can two shapes be congruent and not similar?

In short, no. Similar shapes are shapes in which all corresponding angles congruent regardless of the length of the sides. Congruent shapes have congruent corresponding angles and corresponding sides. In effect congruent shapes is a special condition of similar shapes.


What are similarities of congruent shapes and similar shapes?

The angles for congruent shapes and the angles in similar shapes are all the same. All the sides are also proportional in both. Basically, all congruent shapes are similar but not all similar shapes are congruent.


Are congruent tiangles similar?

All congruent shapes are similar, but not all similar shapes are congruent.


What is two congruent shapes?

congruent shapes are the same shape and size... i think


When are shapes congruent?

Shapes are said to be congruent when they have the same dimensions and same angles


Irregular shapes can be congruent?

All congruent shapes have to be are the same size and shape. If you cut lots of cookies with the same cookie cutter then they all would be congruent.


Do non congruent shapes have to be the same shape?

no they do not that is why tey are called non congruent shapes


What does congruent mean if shapes are not the same size?

You can have two shapes - a small one and a big one - whose angles are congruent but the sides are not. In that case the shapes are not congruent but similar.


How are congruent and similar shapes different?

Similar shapes are the same shape and not the same size but congruent shapes are exactly alike


What are congruent and symetrical shapes?

The congruent and symmetrical shapes are shapes that have at least a line of symmetry. Some examples:isosceles trianglesequilateral trianglessquaresrectanglesisosceles trapezoidsregular pentagonany regular n-gon shapes!There are many congruent shapes that follow the given conditions!


What is does congruent means?

Congruent means that two shapes are the same size and shape. When two shapes are congruent, all corresponding sides and angles are equal.


What shapes are same size and shape?

Congruent shapes.