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Find the area of the shaded region

Find the area of the shaded region accurate up to 3 decimal places. (A=?, r=1389)

Correct answers: 39

The first user who solved this task is Dejan Mratinkovic.

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Mike Birbiglia: Illiterate People

I shouldnt say bad stuff about illiterate people, though. I should write it.

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David Packard

Born 7 Sep 1912; died 26 Mar 1996 at age 83. American entrepreneur and electrical engineer whoco-foundedthe Hewlett-Packard Co., a leading manufacturer computers, computer printers, and analytic and measuring equipment. In 1939, he formed a partnership known as Hewlett-Packard Company with William R. Hewlett, a friend and Stanford classmate. HP's first product was a resistance-capacitance audio oscillator based on a design developed by Hewlett when he was in graduate school. The company began with $538 in initial capital, and its first production facility was a small garage in Palo Alto.

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