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You should learn in it in grade school but you don't really need it unless you have certain jobs like an architect a teacher Shapes are all around us they are important now why do we need triangles to build bridges well because squares and rectangles would bend So don't build bridges on uneven squares
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How do you know angles are congruent?
Angles are congruent if they are equal. Corresponding angles in figures that are similar are congruent.
How do you know if two figures are similar or congruent?
congruent figures are the same shape and the same size while similar figures are the same shape but different sizes and it doesn't matter which way the shape is facing
How do you know if angles are congruent?
If their measures are equal, then the two angles are congruent.
What does CPCTC mean in math terms?
CPCTC is an acronym for the phrase 'corresponding parts of congruent triangles are congruent' It means that once we know that two triangles are congruent, we know that all corresponding sides and angles are congruent.
Are two right triangles congruent why or why not?
Not necessarily. Even if all three angles of one triangle are the same as the corresponding angles of the other, the triangles may be similar but not congruent. And in this case, you don't even know that all three angles are the same.
