<map version="freeplane 1.6.0">
<!--To view this file, download free mind mapping software Freeplane from http://freeplane.sourceforge.net -->
<node TEXT="Basics of Euclidean geometry" FOLDED="false" ID="ID_9383905" CREATED="1381655948489" MODIFIED="1587309978030" COLOR="#000000">
<font NAME="SansSerif" SIZE="20"/>
<hook NAME="accessories/plugins/AutomaticLayout.properties" VALUE="ALL"/>
<hook NAME="MapStyle" zoom="0.90595824">
    <properties edgeColorConfiguration="#808080ff,#ff0000ff,#0000ffff,#00ff00ff,#ff00ffff,#00ffffff,#7c0000ff,#00007cff,#007c00ff,#7c007cff,#007c7cff,#7c7c00ff" fit_to_viewport="false"/>

<map_styles>
<stylenode LOCALIZED_TEXT="styles.root_node" STYLE="oval" UNIFORM_SHAPE="true" VGAP_QUANTITY="24.0 pt">
<font SIZE="24"/>
<stylenode LOCALIZED_TEXT="styles.predefined" POSITION="right" STYLE="bubble">
<stylenode LOCALIZED_TEXT="default" ICON_SIZE="12.0 pt" COLOR="#000000" STYLE="fork">
<font NAME="SansSerif" SIZE="10" BOLD="false" ITALIC="false"/>
</stylenode>
<stylenode LOCALIZED_TEXT="defaultstyle.details"/>
<stylenode LOCALIZED_TEXT="defaultstyle.attributes">
<font SIZE="9"/>
</stylenode>
<stylenode LOCALIZED_TEXT="defaultstyle.note" COLOR="#000000" BACKGROUND_COLOR="#ffffff" TEXT_ALIGN="LEFT"/>
<stylenode LOCALIZED_TEXT="defaultstyle.floating">
<edge STYLE="hide_edge"/>
<cloud COLOR="#f0f0f0" SHAPE="ROUND_RECT"/>
</stylenode>
</stylenode>
<stylenode LOCALIZED_TEXT="styles.user-defined" POSITION="right" STYLE="bubble">
<stylenode LOCALIZED_TEXT="styles.topic" COLOR="#18898b" STYLE="fork">
<font NAME="Liberation Sans" SIZE="10" BOLD="true"/>
</stylenode>
<stylenode LOCALIZED_TEXT="styles.subtopic" COLOR="#cc3300" STYLE="fork">
<font NAME="Liberation Sans" SIZE="10" BOLD="true"/>
</stylenode>
<stylenode LOCALIZED_TEXT="styles.subsubtopic" COLOR="#669900">
<font NAME="Liberation Sans" SIZE="10" BOLD="true"/>
</stylenode>
<stylenode LOCALIZED_TEXT="styles.important">
<icon BUILTIN="yes"/>
</stylenode>
</stylenode>
<stylenode LOCALIZED_TEXT="styles.AutomaticLayout" POSITION="right" STYLE="bubble">
<stylenode LOCALIZED_TEXT="AutomaticLayout.level.root" COLOR="#000000" STYLE="oval" SHAPE_HORIZONTAL_MARGIN="10.0 pt" SHAPE_VERTICAL_MARGIN="10.0 pt">
<font SIZE="18"/>
</stylenode>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,1" COLOR="#0033ff">
<font SIZE="16"/>
</stylenode>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,2" COLOR="#00b439">
<font SIZE="14"/>
</stylenode>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,3" COLOR="#990000">
<font SIZE="12"/>
</stylenode>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,4" COLOR="#111111">
<font SIZE="10"/>
</stylenode>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,5"/>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,6"/>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,7"/>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,8"/>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,9"/>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,10"/>
<stylenode LOCALIZED_TEXT="AutomaticLayout.level,11"/>
</stylenode>
</stylenode>
</map_styles>
</hook>
<node TEXT="Key constructs" POSITION="right" ID="ID_741315969" CREATED="1381655975954" MODIFIED="1381860864833" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
<node TEXT="Space" ID="ID_121258715" CREATED="1381656007672" MODIFIED="1381656625289" COLOR="#00b439">
<font NAME="SansSerif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
</node>
<node TEXT="plane" ID="ID_1614031005" CREATED="1381656037908" MODIFIED="1381656625290" COLOR="#00b439">
<font NAME="SansSerif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
</node>
<node TEXT="dimension" ID="ID_1501985374" CREATED="1381656045110" MODIFIED="1381656625291" COLOR="#00b439">
<font NAME="SansSerif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
</node>
<node TEXT="point" ID="ID_1192567323" CREATED="1381656063724" MODIFIED="1381656625294" COLOR="#00b439">
<font NAME="SansSerif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
</node>
<node TEXT="line, line segment, ray" ID="ID_1476174967" CREATED="1381656011534" MODIFIED="1381656625294" COLOR="#00b439">
<font NAME="SansSerif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
</node>
<node TEXT="angle" ID="ID_100755936" CREATED="1381656022721" MODIFIED="1381656625294" COLOR="#00b439">
<font NAME="SansSerif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
</node>
</node>
<node TEXT="Axioms &amp; Postulates" POSITION="right" ID="ID_1253402705" CREATED="1381656582220" MODIFIED="1381656625295" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
</node>
<node TEXT="What is a Theorem ?" POSITION="right" ID="ID_1145334654" CREATED="1381660887866" MODIFIED="1381660903874" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
</node>
<node TEXT="Symmetry" POSITION="left" ID="ID_1355064624" CREATED="1381656134163" MODIFIED="1381656625298" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
</node>
<node TEXT="Shapes" POSITION="left" ID="ID_1807341294" CREATED="1381656196163" MODIFIED="1381656625298" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
<node TEXT="plane Closed figures" ID="ID_1187423725" CREATED="1381656202913" MODIFIED="1381860691547" COLOR="#00b439">
<font NAME="Liberation Serif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
<node TEXT="Polygons" ID="ID_245026541" CREATED="1381656256989" MODIFIED="1381860718747" COLOR="#990000">
<font NAME="SansSerif" SIZE="14"/>
<node TEXT="Circle" ID="ID_282203444" CREATED="1381656332976" MODIFIED="1381656625300" COLOR="#111111"/>
<node TEXT="Figures with &gt;4 sides" ID="ID_1594077445" CREATED="1381656296342" MODIFIED="1381656625299" COLOR="#111111"/>
</node>
<node TEXT="Triangles" ID="ID_1086795029" CREATED="1381656265943" MODIFIED="1587309960938" LINK="5.%20Triangles.mm" COLOR="#990000">
<font NAME="Liberation Serif" SIZE="14"/>
</node>
<node TEXT="Quadrilaterals" ID="ID_49065430" CREATED="1381656281687" MODIFIED="1381860708467" COLOR="#990000">
<font NAME="Liberation Serif" SIZE="14"/>
</node>
</node>
<node TEXT="Shapes" ID="ID_219674578" CREATED="1381656220968" MODIFIED="1381860676230" COLOR="#00b439">
<font NAME="Liberation Serif" SIZE="16"/>
<edge STYLE="bezier" WIDTH="thin"/>
<node TEXT="Solid" ID="ID_1200213988" CREATED="1381860680497" MODIFIED="1381860682506" COLOR="#990000">
<font NAME="Liberation Serif" SIZE="14"/>
</node>
<node TEXT="Hollow" ID="ID_225516442" CREATED="1381860683020" MODIFIED="1381860685684" COLOR="#990000">
<font NAME="Liberation Serif" SIZE="14"/>
</node>
</node>
</node>
<node TEXT="Back to geometry" POSITION="right" ID="ID_269835613" CREATED="1381656644905" MODIFIED="1587307706042" LINK="1.%20Geometry.mm" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
</node>
<node TEXT="Other related pages" POSITION="right" ID="ID_861046768" CREATED="1381656676696" MODIFIED="1381656685608" COLOR="#0033ff">
<font NAME="SansSerif" SIZE="18"/>
<edge STYLE="sharp_bezier" WIDTH="8"/>
</node>
<node TEXT="Author- Sriranjani Ranganathan. Copyright CC-BY-SA" POSITION="left" ID="ID_1511157663" CREATED="1587307825938" MODIFIED="1587309978027" HGAP_QUANTITY="67.99999839067463 pt" VSHIFT_QUANTITY="75.74999774247414 pt"/>
</node>
</map>
