You can use the CPCTC (Corresponding Parts of Congruent Triangles are Congruent) property. This means that when two triangles are congruent, all the corresponding parts are congruent to each other.
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Answer:

Step-by-step explanation:
Hello!
The expression is written in the form of 
Let's factor by grouping:

The sum of the factors of -50 should add up to -23.
-25 and 2 work for this.
Expand and factor:
The factored expression is 
Answer: Choice A
This is a 3 by 1 matrix, which can be written "3 x 1 matrix".
There are 3 rows and 1 column. The number of rows is listed first.
Answer:
The answer is at least two of the lateral faces are congruent
Step-by-step explanation:
Acute angle is a 50 degree angle