Answer:
Step-by-step explanation:
Alright, lets get started.
Area of ABCD :
Area of ABCD =area of ABD + area of BCD
Area of ABCD = [tex](\frac{1}{2}*20*10) +(\frac{1}{2}*20*30)[/tex]
Area of ABCD = 400
Area of DBGH :
Area of DBGH = [tex]20*30 = 600[/tex]
Area of DBFC :
Area of DBFC = area of DBC + area of BCF
Area of DBFC = [tex](\frac{1}{2}*20*30)+(\frac{1}{2}*30*40) = 300+600[/tex]
Area of DBFC = 900
Area of CEBF :
Area of CEBF = area of CEBG + area of BGF
Area of CEBF = [tex]300+(\frac{1}{2}*30*30) = 300+450[/tex]
Area of CEBF = 750
hence option C is correct : area of DBFC = 900 : Answer
Hope it will help :)