div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentweebly-2018-9-9-6-3-4-6-3-5-theorem-if-an-angle-of-a-quadrilateral-is-supplementaryhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Weebly · 2018 9 9 · 6-3-4 6-3-5 THEOREM If an angle of a quadrilateral is supplementary to both of its consecutive angles then the quadrilateral is a parallelogram quad loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsinreader036viewer20220710005fbc67714037c15b1f754e42html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentweebly-2018-9-9-6-3-4-6-3-5-theorem-if-an-angle-of-a-quadrilateral-is-supplementaryhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Weebly · 2018 9 9 · 6-3-4 6-3-5 THEOREM If an angle of a quadrilateral is supplementary to both of its consecutive angles then the quadrilateral is a parallelogram quad loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsinreader036viewer20220710005fbc67714037c15b1f754e42html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentweebly-2018-9-9-6-3-4-6-3-5-theorem-if-an-angle-of-a-quadrilateral-is-supplementaryhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Weebly · 2018 9 9 · 6-3-4 6-3-5 THEOREM If an angle of a quadrilateral is supplementary to both of its consecutive angles then the quadrilateral is a parallelogram quad loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...