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20 April, 19:48

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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  1. 20 April, 19:54
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    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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