\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
A triangular roof is to be painted. It is bounded by two rafters and a base beam.
Find:
  1. the area of the roof
    Area \(=~\)
    \(~\text{m}^2\) (rounded to the nearest integer)
  2. the cost to paint the roof at \(\dollar\)10 per m\(^2\)
    Cost \(=~\)
    \(~\dollar\)