Answer:
El pentágono tiene 5 diagonales.
El octágono tiene 20 diagonales.
El decágono tiene 35 diagonales.
Explanation:
El número de diagonales (
) de un polígono de
lados está descrito por la siguiente expresión:
(1)
A continuación, calculamos el número de diagonales para cada polígono:
(i) Pentágono (
)

(ii) Octágono (
)

(iii) Decágono 

Three affects that water shortage has on a region is that farming is harder to do because the planets will die without water and then we can't get food. People also don't have drinking water or water. Another effect is that people can't use water for everyday neccesities like keeping clean.
A bureau is defined as the department or division of the government, that is helpful for distributing the data and collecting the work.
<h3>
How does the US Census Bureau define an urban area?</h3>
Urban are defined as the areas that including at least 2,500 and less than 50,000 people. On the other hand, "Rural" defined as any population, housing, or territory outside urban areas.
Urban areas are generally defined as the towns and cities. Under these areas people have sufficient amount of money because the job availability.
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<span>The five building blocks responding to climate change globally is shared vision, mitigation, adaptation, finance and technology. There are funds that are being raised in the name of adaptation. Concentrating on these five points help us in combating the global warming.</span>