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Jessie Louis
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A dilation maps \bigtriangleup \mathrm{H}\mathrm{I}\mathrm{J}△HIJ onto \bigtriangleup \mathrm{H}'\mathrm{I}'\mathrm{J}'△H ′ I ′ J ′ . If \mathrm{H}\mathrm{I}=8\ \mathrm{i}\mathrm{n}.HI=8 in., \mathrm{H}'\mathrm{I}'=16\ \mathrm{i}\mathrm{n}.H ′
