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        <label_anchor>(0.98120677347344609,0.19295923841534332)</label_anchor>
        <out_label>%187</out_label>
        <in_object>%183</in_object>
    </label_of_line3>
    <glabel>
        <id>%187</id>
        <gstate>defined</gstate>
        <font_style>italic</font_style>
        <font_point>12</font_point>
        <font_family>Helvetica</font_family>
        <y>0.000</y>
        <x>0.000</x>
        <value>b&apos;</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
    </glabel>
    <label_of_point3>
        <id>%188</id>
        <out_label>%189</out_label>
        <in_object>%178</in_object>
    </label_of_point3>
    <glabel>
        <id>%189</id>
        <gstate>defined</gstate>
        <font_style>italic</font_style>
        <font_point>12</font_point>
        <font_family>Helvetica</font_family>
        <y>0.503</y>
        <x>-0.159</x>
        <value>O</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
    </glabel>
    <point3>
        <id>%190</id>
        <gstate>defined</gstate>
        <value>(-1.9212238616854773,-0.60047352199965431,-0.30666107336458781,1)</value>
        <point_style>sphere_point_style</point_style>
        <point_size>normal_point_size</point_size>
        <point_color>red</point_color>
        <graphic_layers>hidden_layer</graphic_layers>
        <base_point_size>point3_base_point_size</base_point_size>
    </point3>
    <free_point_on_line3>
        <id>%191</id>
        <position>(0.94563871483709072,0.32521903542267544)</position>
        <out_point>%190</out_point>
        <in_line>%183</in_line>
    </free_point_on_line3>
    <point3>
        <id>%192</id>
        <gstate>defined</gstate>
        <value>(-1.7177242029607309,3.3811938235109298,-0.38043915345262641,1)</value>
        <point_style>sphere_point_style</point_style>
        <point_size>normal_point_size</point_size>
        <point_color>red</point_color>
        <graphic_layers>hidden_layer</graphic_layers>
        <base_point_size>point3_base_point_size</base_point_size>
    </point3>
    <free_point_on_line3>
        <id>%193</id>
        <position>(0.96580572251661256,0.25926686320115056)</position>
        <out_point>%192</out_point>
        <in_line>%181</in_line>
    </free_point_on_line3>
    <angle_by_three_points3>
        <id>%194</id>
        <out_angle_mark>%196</out_angle_mark>
        <in_points>%190 %178 %192</in_points>
        <out_real>%195</out_real>
    </angle_by_three_points3>
    <real>
        <id>%195</id>
        <value>72.731099588742808</value>
        <angle_dimension>1</angle_dimension>
    </real>
    <angle_mark3>
        <id>%196</id>
        <gstate>defined</gstate>
        <graphic_layers>default_layer</graphic_layers>
        <curve_style>solid_curve_style</curve_style>
        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>black</curve_color1>
        <base_curve_radius>angle_mark3_base_curve_radius</base_curve_radius>
    </angle_mark3>
    <label_of_angle_mark3>
        <id>%197</id>
        <out_label>%198</out_label>
        <in_target>%195</in_target>
        <in_object>%196</in_object>
    </label_of_angle_mark3>
    <glabel>
        <id>%198</id>
        <gstate>defined</gstate>
        <font_style>italic</font_style>
        <font_point>12</font_point>
        <font_family>Helvetica</font_family>
        <y>0.000</y>
        <x>0.000</x>
        <value>&lt;c3object index=0 facet=x precision=0 approx=1 unit=deg&gt;&lt;/c3object&gt;</value>
        <label_color>black</label_color>
        <graphic_layers>hidden_layer</graphic_layers>
    </glabel>
    <plane_by_two_coplanar_lines3>
        <id>%199</id>
        <out_plane>%200</out_plane>
        <in_lines>%183 %181</in_lines>
    </plane_by_two_coplanar_lines3>
    <plane3>
        <id>%200</id>
        <gstate>defined</gstate>
        <value>(0.013937056526099553,0.016796187837650148,0.94490150469807144,0.32662638128116817)</value>
        <surface_thickness>normal_surface_thickness</surface_thickness>
        <surface_style>solid_surface_style</surface_style>
        <surface_color1>lawn_green</surface_color1>
        <graphic_layers>default_layer</graphic_layers>
        <curve_style>solid_curve_style</curve_style>
        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>dim_gray</curve_color1>
        <base_surface_thickness>plane3_base_surface_thickness</base_surface_thickness>
        <base_curve_radius>plane3_base_curve_radius</base_curve_radius>
    </plane3>
</document>
