Respuesta :

Answer:

Step-by-step explanation:

area of shaded triangle=area of triangle below the diagonal-(area of small triangle+area of trapezoid)

=1/2(7*5)-(1/2 *4*1+(1+5)/2*3)

=35/2-(2+9)

=35/2-11

=(35-22)/2

=13/2

=6.5 sq. units

Otras preguntas