As shown in the illustration, if figure "21" indicates the "TOP VIEW" of an orthographic projection, and figure "11" indicates the "FRONT VIEW", which figure would best represent the correct "RIGHT SIDE VIEW"? Illustration GS-0165
• Orthographic projection views: top view, front view, right side view and how they relate on a 3D object • Matching edges, corners, and slopes between different views • Understanding which features are hidden and would appear as dashed lines in a side view
• From the TOP VIEW in figure 21, imagine looking from the right side and sketch what the outline would look like • Compare that imagined right-side outline with the FRONT VIEW in figure 11 to be sure both can belong to the same 3D shape • Check each answer choice and eliminate any that would create an impossible or missing feature when combined with both views
• Be sure the sloping/diagonal edge in figure 21 appears consistently in the side view (as a slope or a straight line, depending on your viewing direction) • Verify that the overall height and width proportions of the side view match what figure 11 shows from the front • Check whether the side view should show a solid line or a hidden (dashed) line for any edge that is not directly visible from the right side
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