Answer:
45
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
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Answer: 
Step-by-step explanation:
The area of a rectangle can be found with the following formula:

Where "l" is the length and "w" is the width.
In this case you can identify in the figure given in the exercise that:

You know that the area of that rectangle is the following:

Therefore, knowing those values, you can substitute them into the formula and then you must solve for "x" in order to find its value. You get that this is:

Answer:
a) a quadrilateral that is not a parallelogram because adding the same will make it a diamond like shape which 2 sides are parallel
Step-by-step explanation:
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