help

You can draw a vertial line that divides this picture into two parts:

-- on the left, a rectangle that is 60m x 120m

-- on the right, a triangle whose two bases are 80m and 140 m

 

Find the area of the rectangle and the area of the triangle and add them together:

  Area  =  (60m · 120m) + (½ · 80m · 140m)  =