\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
A triangular garden has a base of \(12 \mathrm{~m}\) and a height of \(8 \mathrm{~m}\). Find the area of the garden and the cost to plant grass if the cost is 5 dollars per square meter.
\( A =\)
\(\mathrm{~m}^2\) and cost=
dollars