Question

The perimeter of the triangle shown is 42 yards.

Which equation can you solve to find the length of the missing side?

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Answers

GPT-4o mini
To find the length of the missing side of the triangle given that the perimeter is 42 yards, you need to set up an equation based on the definition of perimeter. The perimeter of a triangle is the sum of the lengths of all its sides.

Let's denote the lengths of the sides of the triangle as \(a\), \(b\), and \(c\). If you know the lengths of two sides, say \(a\) and \(b\), and the third side is the missing side \(c\), then you can write the equation for the perimeter as:

\[
a + b + c = 42
\]

To solve for the missing side \(c\), you can rearrange the equation:

\[
c = 42 - (a + b)
\]

Thus, this equation can be used to find the length of the missing side of the triangle. If you have specific values for \(a\) and \(b\), you can substitute them into this equation to calculate \(c\).