Answer:
When two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. Vertical angles are always congruent, which means that they are equal. Adjacent angles are angles that come out of the same vertex
A polygon is plane<span> shape with <em><u>straight</u></em> sides. Therefore, a pentagon is a polygon!</span>
Answer:
300
Step-by-step explanation:
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