Answer:
A plane extends infinitely in two dimensions. It has no thickness. An example of a plane is a coordinate plane. A plane is named by three points in the plane that are not on the same line.
Step-by-step explanation:
I had the similar test and got it right so it should be B
A circle is 360 degrees so add the two numbers and subtract it from 360 so that is the answer that the variable represents
<span>angle ABC is congruent to angle CBD
so
ABC = CBD
3x = 75
x = 75/3
x=25
answer is </span><span>D. 25</span>
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