div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-1-on-each-object-trace-at-least-one-pair-of-lines-that-appear-to-be-perpendicularhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 1 On each object trace at least one pair of lines that appear to be perpendicular 12 2 3 How do you know if two lines are perpendicular When fines are perpendicular -the-g loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602125f0514cb7e708231d4112adbhtml5thumbnails1jpg width=140 height=200 divp pdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-1-on-each-object-trace-at-least-one-pair-of-lines-that-appear-to-be-perpendicularhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: 1 On each object trace at least one pair of lines that appear to be perpendicular 12 2 3 How do you know if two lines are perpendicular When fines are perpendicular -the-g loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602125f0514cb7e708231d4112adbhtml5thumbnails2jpg width=140 height=200 divp pdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-1-on-each-object-trace-at-least-one-pair-of-lines-that-appear-to-be-perpendicularhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: 1 On each object trace at least one pair of lines that appear to be perpendicular 12 2 3 How do you know if two lines are perpendicular When fines are perpendicular -the-g loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602125f0514cb7e708231d4112adbhtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-1-on-each-object-trace-at-least-one-pair-of-lines-that-appear-to-be-perpendicularhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: 1 On each object trace at least one pair of lines that appear to be perpendicular 12 2 3 How do you know if two lines are perpendicular When fines are perpendicular -the-g loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602125f0514cb7e708231d4112adbhtml5thumbnails4jpg width=140 height=200 divp pdiv
