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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.

Correct answers: 74

The first user who solved this task is Djordje Timotijevic.

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Good News, Bad News

After Friday prayers an Imam announced to the people: "I have good news and bad news. The good news is, we have enough money to pay for our new building program. The bad news is, it's still out there in your pockets."-

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Campbell water speed record

In 1964, Donald Campbell broke the world water speed record with an average speed of 276.33 mph (441.71 km/h) with his speedboat, Bluebird, on Lake Dumbleyung, Perth, Australia. Earlier the same year, in Jul 1964, he had broken the land speed record at 403.1 mph (648.72 km/h) on Lake Eyre salt flat, Australia. Together, they made him the only person to break both land and water speed records in the same year. That land speed record only stood for three months before Art Arfon, on 27 Oct 1964, achieved a land average speed of 536.71 mph (863.75 km/h) in a jet car on Bonneville Salt Flats, Utah. Campbell continued attempting yet higher speeds, but died 4 Jan 1967 when his jet-powered boat crashed on Coniston Water.«

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