Total # Posts: 1
31). Find the area of the sector of a circle with a radius of 18 inches and a central angle of pheta=120 I put the info in A=1/2r^2pheta so that it read A=1/2(324)9pi/10. But I got 458.04, not the answer of 339.29. What did I do wrong?
December 19, 2009