16The z-buffer algorithm is used for:AClippingBLine drawingCHidden-surface removalDColour mixingView AnswerDiscussWorkspaceReportSaveEasy
17The Sutherland–Hodgman algorithm is used for:ALine drawingBTexture mappingCRay tracingDPolygon clippingView AnswerDiscussWorkspaceReportSaveEasy
18The midpoint circle algorithm uses the symmetry of a circle in:A4 quadrants onlyBNo symmetryC2 halvesD8 octantsView AnswerDiscussWorkspaceReportSaveEasy