Respuesta :

Given:

There are given the polygon and their sides.

Explanation:

According to the question:

We need to find the value of the perimeter of a given polygon.

So,

From the formula of the perimeter of the polygon:

[tex]P=addition\text{ of all sides}[/tex]

Then,

[tex]\begin{gathered} P=10m+10m+9m+9m+7m \\ P=45m \end{gathered}[/tex]

Final answer:

Hence, the value of the perimeter is 45

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