Hello everyone. I am really struglling with a geometry question. It's been a long time since I've had to do any maths. Hope someone ca help and explain it to me: Line df is drawn across equilateral triangle ABC, creating trapezoid AdfC. Line df is 6 cm long. Using your knowledge of geometry, determine the area of the trapezoid AdfC and explain your method. Any help will be greatly appreciated!

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