Lines, 6 Parallel Horizontal Small 320×68 Medium 640×135 Large 1024×216 Download Tiff Original 3000×634 | (44.8 KB) Description 6 parallel horizontal lines with arrows on both ends to show that they extend indefinitely. Keywords horizontal, line, lines, parallel lines, zero slope Galleries Lines Source: Florida Center for Instructional Technology Clipart ETC (Tampa, FL: University of South Florida, 2009)
