Suatu segitiga ABC dengan titik sudut A(2.2), B(5,2), dan titik C(9,6). Tentukan bayangan dari segitiga ABC, jika: 1. Didilatasikan dengan pusat dilatasi A(2,1) dengan faktor skala 2 dan dilanjutkan dengan pencerminan terhadap sumbu x

<ul><li>Titik pusat (2, 1)</li><li>Skala 2&nbsp;</li><li>Rumus dilatasi dengan titik pusat (a,b)</li></ul><p>&nbsp; &nbsp; &nbsp; &nbsp;<strong>K (x-a)+a , K(y-b)+b</strong></p><p>Titik &nbsp;A(2,2) &nbsp;--&gt; <strong>A'[K (x-a)+a , K(y-b)+b]</strong></p><p><strong>&nbsp; &nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; A' [2 (2-2)+2 , 2(2-1)+1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; A' [2 (0) + 2 , 2(1) + 1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; A(2,2) &nbsp; ---&gt; <strong>A' [ 2 , 3]&nbsp;</strong></p><p>Titik &nbsp;B(5,2) &nbsp;--&gt; <strong>B'[K (x-a)+a , K(y-b)+b]</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</strong>B' [2 (5-2) + 2, 2 (2-1) + 1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B' [2 (3) +2 , 2(1) + 1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B' [6+ 2 , 2+ 1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B(5,2) &nbsp; ---&gt; &nbsp;<strong> B' [8 , 3]</strong></p><p>Titik &nbsp;C(9,6) &nbsp;--&gt; <strong>C'[K (x-a)+a , K(y-b)+b]</strong></p><p><strong>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</strong>C' [2 (9-2)+2 , 2 (6-1)+1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C' [2 (7)+2 , 2(5)+1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C' [14+2 , 10+1]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; C(9,6) &nbsp;--&gt; &nbsp;<strong>C' [16 , 11)</strong></p><p>&nbsp;</p><ul><li>Dilanjutkan dengan pencerminan terhadap sumbu x</li><li>&nbsp;Rumus pencerminan terhadap sumbu x</li></ul><p>&nbsp; &nbsp; &nbsp;&nbsp;<strong>P(x,y) &nbsp;---&gt; &nbsp;P' (x, -y)</strong></p><p>Maka :</p><p>A'(2, 3) &nbsp; &nbsp;---&gt; &nbsp;<strong>A'' (2, -3)</strong></p><p>B'(8,3) &nbsp; &nbsp; ---&gt; &nbsp;<strong>B'' (8, -3)</strong></p><p>C'(16,11) ---&gt; <strong>C'' (16, -11)</strong></p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</p><p>&nbsp;</p>