Postulates are very useful in the world of math because we do not need to prove that they''re true. We can use these facts to solve all kinds of problems much faster. One example is the ASA postulate, which stands for "angle-side-angle."
The ASA postulate states that:
The ASA postulate may make more sense if we visualize it:
As we can see, one triangle has two angles and an included side that are congruent to two angles and an included side of the second triangle. Therefore, these two triangles are congruent.
The symbol "≅" represents congruence. Here''s the formula for the ASA postulate:
If
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