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Find the area of the purple shaded region

Find the area of the purple shaded region. Express result to the accuracy of 3 decimal.

Correct answers: 45

The first user who solved this task is Sanja Šabović.

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Monday to Sunday ... Sunday to Monday

NY to Chicago = 1,271 km
Chicago to NY = 1,271 km

January to December = 12 months
December to January = 12 months

Ground Floor to 15th Floor = 15 floors
15th Floor to Ground Floor = 15 floors

Monday to Sunday = 6 days
Sunday to Monday = 1 DAY!!

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Ron Toomer

Born 31 May 1930; died 26 Sep 2011 at age 81.Ronald Valentine Toomer was an American engineer who was a legendary creator of steel roller coasters. His early career, was in the aerospace industry, where he helped design the heat shield for Apollo spacecraft and was also involved with NASA's first satellite launches. In 1965, he joined the Arrow Development Company to apply tubular steel technology to the design the Runaway Mine Ride, the world's first all-steel roller coaster. It opened the following year at Six Flags over Texas. By 1975, he designed the Roaring 20's Corkscrew for Knott's Berry Farm, introducing first 360° looping rolls, in fact two of them. Later, his design included seven inversions in the Shockwave roller coaster for Six Flags Great America. He produced over 80 roller coasters before retiring.in 1998.«

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