The following results are;
- The total length of the two sides is .
- The length of the third side is .
- Yes, Part A and Part B show that the polynomials are closed under addition and subtraction.
<h3>What is the triangle?</h3>
Triangle is a polygon that has three sides and three angles. The sum of the angle of the triangle is 180 degrees.
In a triangle, the sides and perimeter are given.
a. The total length of the two sides will be
The total length of the two sides is .
b. Then a length of the third side (y) will be
On solving for y, we have
The length of the third side is .
c. Yes, Part A and Part B show that the polynomials are closed under addition and subtraction.
More about the triangle link is given below.
brainly.com/question/25813512