Wuhan No.2 High School 2020 Exam Q14: Circles, Tangents, and Locus
2020-07-08 09:14
This GeoGebra applet demonstrates the geometric construction for Question 14 of the 2020 Wuhan No.2 High School exam. It involves circles, tangents, intersections, segments, arcs, orthogonal lines, midpoints, semicircles, dilations, and loci. The model explores geometric transformations like symmetry and translation, aiding the understanding of complex loci.
In collections
武汉市分配生考试
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<element type="numeric" label="hint">
<value val="0"/>
<show object="true" label="true"/>
<objColor r="0" g="0" b="0" alpha="0.10000000149011612"/>
<layer val="1"/>
<labelMode val="9"/>
<slider min="0" max="5" absoluteScreenLocation="true" width="100" x="523" y="363" fixed="true" horizontal="true" showAlgebra="true"/>
<lineStyle thickness="10" type="0" typeHidden="1"/>
<animation step="1" speed="1" type="0" playing="false"/>
<caption val="提示"/>
</element>
<command name="Segment">
<input a0="B" a1="E_1"/>
<output a0="r"/>
</command>
<element type="segment" label="r">
<show object="true" label="false" ev="4"/>
<condition showObject="hint ≥ 4"/>
<objColor r="244" g="0" b="153" alpha="0"/>
<layer val="1"/>
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<coords x="-12.521768750587638" y="9.688339676646049" z="0"/>
<lineStyle thickness="3" type="15" typeHidden="1" opacity="178"/>
<outlyingIntersections val="false"/>
<keepTypeOnTransform val="true"/>
</element>
</construction>
</geogebra>