The lengths of three sides of a trapezoid are shown below:
side 1: 11z2 â 4z + 2
side...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 15.11.2019 21:31, PLEASEHELP4528
The lengths of three sides of a trapezoid are shown below:
side 1: 11z2 â 4z + 2
side 2: â2z + 3 + 12z2
side 3: 3 â 3z + 13z2
the perimeter of the trapezoid is 5z3 + 40z2 + 7z â 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?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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