please help me.
find the area of the semicircular
Either enter an exact answer in terms of pi n or use for pi n and enter your answer as a decimal.
( this is from Khan academy and the lesson is * Area of parts of circles *)​

please help mefind the area of the semicircular Either enter an exact answer in terms of pi n or use for pi n and enter your answer as a decimal this is from Kh class=