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.title{ padding-left:10px; 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:pink 5px solid; } #education_l { width:1081px;; background-color:#F8F0EA; 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; } #education_li a{ font-size:10pt; text-decoration:underline; color:#333333; 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; }
Problem 310: Circle Inscribed in a Semicircle, 45 Degrees Angle.
Level: High School, SAT Prep, College geometry. In the figure below, circle C is inscribed in a semicircle with
diameter AB. If D and E are the tangency points, prove that the measure
of angle AED is 45 degrees.
Sketch and Typography of
Problem 310
In the figure below, circle C is inscribed in a semicircle with
diameter AB. If D and E are the tangency points, prove that the measure
of angle AED is 45 degrees.
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