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        <value>(0.80417003976412582,0.0053214180013414041,-2.2624727222206702,1)</value>
        <point_style>sphere_point_style</point_style>
        <point_size>normal_point_size</point_size>
        <point_color>red</point_color>
        <graphic_layers>default_layer</graphic_layers>
        <base_point_size>point3_base_point_size</base_point_size>
    </point3>
    <point_by_two_coplanar_lines3>
        <id>%296</id>
        <out_point>%295</out_point>
        <in_lines>%282 %294</in_lines>
    </point_by_two_coplanar_lines3>
    <line_perpendicular_to_plane_by_point3>
        <id>%297</id>
        <out_line>%298</out_line>
        <in_point>%295</in_point>
        <in_plane>%16</in_plane>
    </line_perpendicular_to_plane_by_point3>
    <line3>
        <id>%298</id>
        <gstate>defined</gstate>
        <value>(0,0,-0.77927440804977632,-0.004146844862980747,0.62666913170855432,0)</value>
        <graphic_layers>hidden_layer</graphic_layers>
        <curve_style>solid_curve_style</curve_style>
        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>cornflower_blue</curve_color1>
        <base_curve_radius>line3_base_curve_radius</base_curve_radius>
    </line3>
    <point3>
        <id>%299</id>
        <gstate>defined</gstate>
        <value>(0.80417003976412615,0.0053214180013414058,2.8362573755000486,1)</value>
        <point_style>sphere_point_style</point_style>
        <point_size>normal_point_size</point_size>
        <point_color>red</point_color>
        <graphic_layers>default_layer</graphic_layers>
        <base_point_size>point3_base_point_size</base_point_size>
    </point3>
    <point_by_two_coplanar_lines3>
        <id>%300</id>
        <out_point>%299</out_point>
        <in_lines>%276 %298</in_lines>
    </point_by_two_coplanar_lines3>
    <segment_by_two_points3>
        <id>%301</id>
        <out_subline>%302</out_subline>
        <in_points>%299 %295</in_points>
    </segment_by_two_points3>
    <subline3>
        <id>%302</id>
        <gstate>defined</gstate>
        <value>(0.80417003976412615,0.0053214180013414058,2.8362573755000486,1)(0.80417003976412582,0.0053214180013414041,-2.2624727222206702,1)</value>
        <point_style>sphere_point_style</point_style>
        <point_size>normal_point_size</point_size>
        <point_color>tomato</point_color>
        <graphic_layers>default_layer</graphic_layers>
        <curve_style>solid_curve_style</curve_style>
        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>brown</curve_color1>
        <base_point_size>subline3_base_point_size</base_point_size>
        <base_curve_radius>subline3_base_curve_radius</base_curve_radius>
    </subline3>
    <label_of_point3>
        <id>%303</id>
        <out_label>%304</out_label>
        <in_object>%299</in_object>
    </label_of_point3>
    <glabel>
        <id>%304</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>M</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
    </glabel>
    <label_of_point3>
        <id>%305</id>
        <out_label>%306</out_label>
        <in_object>%295</in_object>
    </label_of_point3>
    <glabel>
        <id>%306</id>
        <gstate>defined</gstate>
        <font_style>italic</font_style>
        <font_point>12</font_point>
        <font_family>Helvetica</font_family>
        <y>-0.450</y>
        <x>-1.032</x>
        <value>M&apos;</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
    </glabel>
    <angle_by_three_points3>
        <id>%307</id>
        <out_angle_mark>%309</out_angle_mark>
        <in_points>%295 %299 %277</in_points>
        <out_real>%308</out_real>
    </angle_by_three_points3>
    <real>
        <id>%308</id>
        <value>90</value>
        <angle_dimension>1</angle_dimension>
    </real>
    <angle_mark3>
        <id>%309</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>%310</id>
        <out_label>%311</out_label>
        <in_target>%308</in_target>
        <in_object>%309</in_object>
    </label_of_angle_mark3>
    <glabel>
        <id>%311</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>
    <angle_by_three_points3>
        <id>%312</id>
        <out_angle_mark>%314</out_angle_mark>
        <in_points>%283 %295 %299</in_points>
        <out_real>%313</out_real>
    </angle_by_three_points3>
    <real>
        <id>%313</id>
        <value>90</value>
        <angle_dimension>1</angle_dimension>
    </real>
    <angle_mark3>
        <id>%314</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>%315</id>
        <out_label>%316</out_label>
        <in_target>%313</in_target>
        <in_object>%314</in_object>
    </label_of_angle_mark3>
    <glabel>
        <id>%316</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>
    <label_of_line3>
        <id>%317</id>
        <label_anchor>(0.15520640036672481,0.98788206446174742)</label_anchor>
        <out_label>%318</out_label>
        <in_object>%276</in_object>
    </label_of_line3>
    <glabel>
        <id>%318</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>a</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
    </glabel>
    <label_of_line3>
        <id>%319</id>
        <label_anchor>(0.15001499162816084,0.98868372207031052)</label_anchor>
        <out_label>%320</out_label>
        <in_object>%282</in_object>
    </label_of_line3>
    <glabel>
        <id>%320</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</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
    </glabel>
</document>
