A semicircle with diameter PQ sits on an isosceles triangle PQR to form a region shaped like an ice cream cone, as shown in the gure. If 11(9) is the area of the . . . . . 11(9) semICIrcle and 3(6) Is the area of the triangle, nd rah11 m. . 11(9) a gm 3 The figure shows a circular arc of length s and a chord of lengthd, both subtended by a central angle 0. Find lim 8+0+ D lim 8-+0+