side 1: 11z2 − 4z + 2
![subject](/tpl/images/cats/ap.png)
Advanced Placement (AP), 26.09.2019 18:00 brodytheforce
The lengths of three sides of a trapezoid are shown below:
side 1: 11z2 − 4z + 2
side 2: −2z + 3 + 12z2
side 3: 3 − 3z + 13z2
the perimeter of the trapezoid is 5z3 + 40z2 + 7z − 15.
part a: what is the total length of sides 1, 2, and 3, of the trapezoid?
part b: what is the length of the fourth side of the trapezoid?
part c: do the answers for part a and part b show that the polynomials are closed under addition and subtraction? justify your answer. (3 points)
![ansver](/tpl/images/cats/User.png)
Answers: 1
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You know the right answer?
The lengths of three sides of a trapezoid are shown below:
side 1: 11z2 − 4z + 2
side 1: 11z2 − 4z + 2
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