Respuesta :

Answer:

8.5 units ^2

Step-by-step explanation:

Area of whole rectangle   3 x 6 = 18  units^2

  now subtract the three right triangles  

     1/2* 2x5    +     1/2 * 1x3     +     1/2 * 1x6    =  9.5 units^2  

18 - 9.5 = 8.5  units^2     < =====area of  inscribed triangle in the rectangle