04-05-2017
Mathematics

contestada

An arched entrances to a stadium is made by combining a square and a semicircle. What is the area of the opening?

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nerdtality nerdtality

04-05-2017

Answer: 100+25pi

The area of square part of arch is 10*10=100 the diameter of the circle is 10 therefor radius is 5 and area is \[\pi*r^2=\pi*25\] therefore total area is 100+25pi

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