quiz 3 question 3

Find the area of the semicircle. Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal. units^2 2 

raidius=8     

A_circle  =  π r²     so the area of a semicircle would be half as much     

A_semicircle  =  (1/2) • π r²     

                 =  (0.5) • 3.14 • 64 units²     

                 =  100.48 units²     

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