2-7.2-8.To construct a right angle bybisecting a base line, you must setthe dividers for what distance?1.2.3.4.InTo exactly one half of thelength of the base lineTo less than one half of thelength of the base lineTo more than one half of thelength of the base lineEqual to the length of the baselinea simple drip pan layout, theradius of a corner arc is equal towhat dimension of the pan?1.Its depth2.Its length3.Its width4.Its diagonal cross sectionFigure 2BIN ANSWERING QUESTION 2-9, REFER TO FIGURETO FIGURE 2B.2-9.To construct a 90 degree or rightangle using steps A through Dshown in the figure, you shouldperform the steps in what sequence?1.A, B, C, D2.B, C, A, D3.C, A, D, B4.D, B, C, A8