Answer:
41.5 cm^2
Explanation:
The area of the right triangle is
A =1/2 bh where b = (2+7) and h=(4+7)
=1/2(9)(11)
49.5
The area of the rectangle is
A = l*w where l is 2 and w is 4
A = 2*4 = 8
The shaded region is the area of the triangle minus the area of the rectangle
A shaded = 49.5 - 8 = 41.5