Actually I think it question is worded quite clearly.
Here is some notation to add in the discussion.
Let
For lengths of line segments let .
Now .
The area of the trapezoid .
Add those together.
Actually I think it question is worded quite clearly.
Here is some notation to add in the discussion.
Let
For lengths of line segments let .
Now .
The area of the trapezoid .
Add those together.
ok why did you multiply by HE for the area of the trapezoid?