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        <id>%202</id>
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        <point_color>tomato</point_color>
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        <curve_color1>green</curve_color1>
        <base_point_size>vector3_base_point_size</base_point_size>
        <base_curve_radius>vector3_base_curve_radius</base_curve_radius>
    </vector3>
    <vector_by_two_points3>
        <id>%206</id>
        <out_vector>%207</out_vector>
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        <point_style>sphere_point_style</point_style>
        <point_size>normal_point_size</point_size>
        <point_color>tomato</point_color>
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        <curve_style>solid_curve_style</curve_style>
        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>green</curve_color1>
        <base_point_size>vector3_base_point_size</base_point_size>
        <base_curve_radius>vector3_base_curve_radius</base_curve_radius>
    </vector3>
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        <id>%240</id>
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        <out_label>%241</out_label>
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        <x>0.000</x>
        <value>a</value>
        <label_color>black</label_color>
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    <plane_by_two_coplanar_lines3>
        <id>%242</id>
        <out_plane>%243</out_plane>
        <in_lines>%183 %201</in_lines>
    </plane_by_two_coplanar_lines3>
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        <id>%243</id>
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        <surface_thickness>normal_surface_thickness</surface_thickness>
        <surface_style>no_surface_style</surface_style>
        <surface_color1>light_steel_blue</surface_color1>
        <graphic_layers>default_layer</graphic_layers>
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        <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>
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        <id>%244</id>
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        <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>
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    <free_point_on_plane3>
        <id>%245</id>
        <poly_position>(-1,0,0)</poly_position>
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        <out_point>%244</out_point>
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        <id>%246</id>
        <out_line>%247</out_line>
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        <in_line>%183</in_line>
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        <curve_color1>cornflower_blue</curve_color1>
        <base_curve_radius>line3_base_curve_radius</base_curve_radius>
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    <point3>
        <id>%248</id>
        <gstate>defined</gstate>
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        <point_color>red</point_color>
        <graphic_layers>default_layer</graphic_layers>
        <base_point_size>point3_base_point_size</base_point_size>
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    <free_point_on_line3>
        <id>%249</id>
        <position>(0.98617063377871161,0.1657331622593802)</position>
        <out_point>%248</out_point>
        <in_line>%247</in_line>
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    <line_parallel_to_line_by_point3>
        <id>%250</id>
        <out_line>%251</out_line>
        <in_point>%244</in_point>
        <in_line>%177</in_line>
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        <id>%251</id>
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        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>cornflower_blue</curve_color1>
        <base_curve_radius>line3_base_curve_radius</base_curve_radius>
    </line3>
    <line_parallel_to_line_by_point3>
        <id>%252</id>
        <out_line>%253</out_line>
        <in_point>%248</in_point>
        <in_line>%177</in_line>
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    <line3>
        <id>%253</id>
        <gstate>defined</gstate>
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        <curve_radius>normal_curve_radius</curve_radius>
        <curve_color1>cornflower_blue</curve_color1>
        <base_curve_radius>line3_base_curve_radius</base_curve_radius>
    </line3>
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        <id>%254</id>
        <gstate>defined</gstate>
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        <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>
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    <point_by_two_coplanar_lines3>
        <id>%255</id>
        <out_point>%254</out_point>
        <in_lines>%251 %201</in_lines>
    </point_by_two_coplanar_lines3>
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        <id>%256</id>
        <gstate>defined</gstate>
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        <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>
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    <point_by_two_coplanar_lines3>
        <id>%257</id>
        <out_point>%256</out_point>
        <in_lines>%253 %201</in_lines>
    </point_by_two_coplanar_lines3>
    <vector_by_two_points3>
        <id>%258</id>
        <out_vector>%259</out_vector>
        <in_origin>%244</in_origin>
        <in_end>%254</in_end>
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        <id>%259</id>
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        <point_style>sphere_point_style</point_style>
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        <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>green</curve_color1>
        <base_point_size>vector3_base_point_size</base_point_size>
        <base_curve_radius>vector3_base_curve_radius</base_curve_radius>
    </vector3>
    <vector_by_two_points3>
        <id>%260</id>
        <out_vector>%261</out_vector>
        <in_origin>%248</in_origin>
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        <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>green</curve_color1>
        <base_point_size>vector3_base_point_size</base_point_size>
        <base_curve_radius>vector3_base_curve_radius</base_curve_radius>
    </vector3>
    <label_of_line3>
        <id>%262</id>
        <label_anchor>(0.95681785619421444,0.29068813196948268)</label_anchor>
        <out_label>%263</out_label>
        <in_object>%247</in_object>
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    <glabel>
        <id>%263</id>
        <gstate>defined</gstate>
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        <y>0.000</y>
        <x>0.000</x>
        <value>b</value>
        <label_color>black</label_color>
        <graphic_layers>default_layer</graphic_layers>
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    <label_of_line3>
        <id>%264</id>
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        <out_label>%265</out_label>
        <in_object>%201</in_object>
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    <glabel>
        <id>%265</id>
        <gstate>defined</gstate>
        <font_style>italic</font_style>
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        <y>-0.896</y>
        <x>-0.541</x>
        <value>a&apos;=b&apos;</value>
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        <graphic_layers>default_layer</graphic_layers>
    </glabel>
</document>
