Here is a triangle with some triangles inside it.
1 answer:
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There is only one change of sign, so there is only one possible positive root.
There are five changes of signs, so there are 5,3 or 1 possible negative roots.
The number of complex roots can be equal to 4,2 or 0 (degree of a polynomial - possible positive roots - possible negative roots)
Answer:
Looking at the graphic, it seems that B is true.
Exterior Angles BCD and BCA form a linear pair and add to 180 degrees.
Step-by-step explanation:
