Answer:
B
Step-by-step explanation:
3 rectangles are 3 x 7 x 2 = 42
2 triangles are 2 x 1/2 x 2 x [tex]\sqrt{2^{2} - 1^{2} }[/tex] = 2[tex]\sqrt{3}[/tex]
note that you have to use Pythagoras Theorem to solve for the height of the triangle
