BODY { margin:0px; } #education_m { text-align:left; width:1081px; background-color:#ffffff; } #education_nar { text-align:left; width:697px; background-color:#ffffff; padding:17px; } #banner { background-color:#333333; padding:10px; border-bottom:#003366 5px solid; } #banner td { font-size:23px; color:#cccccc; font-family:Arial, serif; width:1081px; } #banner td.title{ padding-left:0px; font-size:13pt; } #footer { background-color:#333333; padding:5px; font-size:12px; color:#cccccc; border-top:#003355 5px solid; } #education_m, #education_nar { font-family:Arial, serif; font-size:9pt; color:#000000; } #education_a { margin-top:15px; margin-bottom:30px; padding-left:5px; border-left:#666666 5px solid; } #education_l { width:1081px;; background-color:#E0E0E0; color:#000000; padding:8px; padding-right:0px; padding-left:0px; border-bottom:#999999 1px solid; } font.de { color:#333333; line-height:17px; } a:link, a:hover, a:active, a:visited { font-size:10pt; color:#003399; font-family:Arial, serif; } #education_l a{ font-size:10pt; text-decoration:none; color:#333333; padding-left:15px; } #education_l a:hover{ text-decoration:underline; } #footer a{ font-size:10pt; text-decoration:none; color:#cccccc; padding-left:15px; } #footer a:hover{ text-decoration:underline; } #education_text { text-align:justify; } #education_text a{ font-size:9pt; text-decoration:none; color:#000000; padding-left:0px; } #education_text a:hover{ text-decoration:underline; } #education_li a{ font-size:10pt; text-decoration:underline; color:#000000; padding-left:0px; } #education_li a:hover{ text-decoration:underline; } #education_li1 { font-size:8pt; color:333333; padding-left:7px; } #header { font-size:20px; color:003366; } #right { vertical-align:top; float:right; width:200px; margin-top:50px; } #b { padding:5px; padding-left:20px; background-color:#eeeeee; width:100%; border-bottom:#999999 1px solid; padding-top:9px; } html { height: 100%; overflow: auto; } #header0 { font-size:20px; color:003366; } #header1 { font-size:14px; color:003366; } #education_li2 { font-size:8pt; color:333333; padding-left:7px; }
Problem 512: Triangle, Three Squares, Concurrency.
Level: High School, College, SAT Prep. The drawing shows a triangle ABC with the squares ABDE, BCFG, and ACHJ. Lines ED and FG meet at M, GF and JH meet at N, DE and HJ meet at K. Prove that KA, MB, and NC are concurrent at a point P.
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