# Algebra 1 (Reiny)

The measures of the sides of a triangle are shown as polynomials. The measures are: 2s^3 + 4; 5s; 4s^2 + 1. Write a polynomial to represent the perimeter of the triangle.

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1. Perimeter
= 2s^3+4 + 5s + 4s^2 + 1
= 2s^3 + 4s^2 + 5s + 5

Why was this question difficult for you?
If you are given the three sides of a triangle, wouldn't you just add them up to find the perimeter ?

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2. Isn't the formula for a triangle A=1/2bh? Do we use the formula for this question or-

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