To find area $ A $ use formula:
$$ A = a \cdot h $$After substituting $ a = \frac{ 229 }{ 100 } $ and $ h = \frac{ 3 }{ 2 } $ we have:
$$ A = \frac{ 229 }{ 100 } \cdot \frac{ 3 }{ 2 } $$$$ A = \frac{ 229 }{ 100 } \cdot \frac{ 3 }{ 2 } $$$$ A = \frac{ 687 }{ 200 } $$