Answer:
D)
9 units
Step-by-step explanation:

Answer:
B
Step-by-step explanation:
- divide the given polygon into two (a square and a trapezium
- area of trapezium=1/2(a+b)×b 1/2(12+6)×12 ans 108square unit
- area of a square=s×s 12×12 =144square unit
- add 108+144=252square unit
Answer:
28 units
Step-by-step explanation:
Because of triangles FEG and FDH are similar, so DH=EG. Or you can't find out the answer. ;)