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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.
THIS IS A DIFFRENT THING
I'm assuming you're the same person who has posted the other questions... we're trying to help you but we need the radius of the [semi]circle to solve your problem.
Hope this helps!