12.

12. In the following figure, all the vertically opposite angles formed, are right angles. The Perimeter of the coplanar figure is _______________


 

Symbol	Shape	Area
A and B	Square	9 cm2
C and D	Square	16 cm2

(A) 25 cm                (B) 26 cm

(C) 40 ​cm               (D) 34 cm