TOPIC 2-2: MORE POINTS, LINES, & PLANES

common line of intersection between the two planes, line 8-9. 3. Locate intersection line 8-9 in the frontal view by projection. The portion of the plane formed by . line 8-9 and point 5 is in general above and in front of plane 1-2-3-4; therefore, it appears visible . in the frontal and horizontal view. ................
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