Lines, 5 Parallel Vertical Small 55×320 Medium 111×640 Large 177×1024 Download Tiff Original 519×3000 | (77.7 KB) Description 5 parallel vertical lines with arrows on both ends to show that they extend indefinitely. Keywords line, lines, parallel lines, undefined slope, vertical Galleries Lines Source: Florida Center for Instructional Technology Clipart ETC (Tampa, FL: University of South Florida, 2009)
