Hey there,
Your question states: <span>How did the calculation of pi help mathematicians during the Gupta period?
My best guess that I would give would be the option B. </span><span>
The value of pi helped them explain that Earth is a rotating sphere. Because they used the </span>

to help them, just as we use that in math.
Hope this helps.
~Jurgen
The Preamble is important in 1787 and it still is today because the Preamble states the rights and freedoms that all citizens have in the United States.
The tri-state water dispute is a 21st-century water-use conflict among the states of Georgia, Alabama, and Florida over flows in the Apalachicola-Chattahoochee-Flint River Basin<span> and the </span>Alabama-Coosa-Tallapoosa<span> River Basin.. so answer should be D
</span>
Answer:
Non controversial pattern such as a topical, chronological, or geographical
Explanation:A hostile audience is an antagonistic audience that is looking for very single Opportunity to ridicule the speaker,in this case the speaker has to organise his speech using non controversial patterns such as topical, chronological or geographical. The presenter should prevent every form of jokes during his or Presentation in order to prevent the chances of being bullied, insulted or embarrassed.
Most of the fighting was trench warfare. The eastern front was fought in central and eastern europe and was one of the main places where ww1 took place