ABCD is a square of perimeter 56 m. Two triangular corners have been cut away as shown in figure. What is the perimeter of the remaining figure?
A 39 m
B 42 m
C 35 m
D 53 m
Answer is 47.8. All given answers are wrong. Triangles AEF and FBG are right angled triangles hence EF and FG need to be calculated using Pythagoras.