Question 1110312
{{{TQ/PQ=2/3}}}
{{{TQ=(2/3)PQ}}}
{{{TQ=(2/3)45}}}
{{{TQ=30}}}{{{mm}}}
.
.
{{{PT=PQ+QT}}}
but {{{QT=TQ}}}
{{{PT=PQ+TQ}}}
{{{PT=45+30}}}
{{{PT=75}}}{{{mm}}}