I'm guessing online newspapers goes into the blank. Please mark Brainliest!!!
Pythagoras created a formula, which is used to calculate the length of a triangle's side based on its other sides.
<h3>What is a triangle?</h3>
A triangle is a geometrical shape or a figure with three sides. The angles of a triangle are set in such a way that the area of a triangle is 270 degrees. A triangle where one side is of 90 degrees is a right-angled triangle.
Pythagoras developed a theorem and a formula, which evaluated the way to calculate the length of a triangle's side based on its other sides.
Hence, option A holds true regarding triangles. The complete question is added for reference.
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If we talk about economics, total output is a synonym for the word production. In economics, output is the total quantity of services and goods produced in a given period of time and it doesn't matter whether these were consumed or used. The term production is also being used to refer to the same definition.
The answer is cultural unity