Lines, 3 Parallel Horizontal Small 320×31 Medium 640×61 Large 1024×98 Download Tiff Original 3000×288 | (35.2 KB) Description 3 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)
