The below are the horizontal angles and distances obtained by setting an electronic tachometer on point $P7.$ Compute the area of construction site encompassed by points $1,2,3,4$ and p$)$

$P$

$\backslash$table$[[\backslash$table$[[$Station$],[$Point$]],\backslash$table$[[$Observed$],[$Point$]],\backslash$table$[[$Hz$.$ Angle$],[($grad$)]],\backslash$table$[[$Hz$.$ Distance$],[($m$.)]]],[$P$7,1,0,0000,76,02$