Lines, 4 Parallel Horizontal Small 320×43 Medium 640×86 Large 1024×138 Download Tiff Original 3000×403 | (39.7 KB) Description 4 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)
