What type of information do you need to prove that two triangles are congruent?

Mathematics

2 answers:

bekas [8.4K]4 years ago

7 0

I need to learn about my solcoil studdyes

Stels [109]4 years ago

3 0

To prove that two triangles are congruent you need to find their perimeter and if they equal the same thing they are equal.

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In the matrix equation below, what are the values of x and y?

enot [183]

Answer:

$x=5,y=2$

Step-by-step explanation:

The given matrix equation is

$\frac{1}{2} \left[\begin{array}{cc}4&8\\x+3&-4\end{array}\right] -3\left[\begin{array}{cc}1&y+1\\-1&-2\end{array}\right]=\left[\begin{array}{cc}-1&-5\\7&4\end{array}\right]$

We multiply the scalars to get;

$\left[\begin{array}{cc}2&4\\ \frac{x+3}{2}&-2\end{array}\right] --\left[\begin{array}{cc}3&3y+3\\-3&-6\end{array}\right]=\left[\begin{array}{cc}-1&-5\\7&4\end{array}\right]$