Hi there,
i have attached a PDF showing a shape, of which i have to calculate area.
i dont know where to start from.it would be much appreciated if anyone can help me out.
thanks
ABEF is a rectangle of known dimensions, so you can calculate its area
CDEG is a rectangle of sideds: $\displaystyle 18.3$ and $\displaystyle 19.9-9.8$ metres
GBC is a sector of a circle so its area is $\displaystyle \pi r^2 (\theta/360) $, where $\displaystyle r=19.9-9.8$, and $\displaystyle \theta$ is $\displaystyle 82^{\circ}13'46''$ expressed in decimal degrees.
CB
Given:
BE and CD are parallel
&
FD and GC are parallel
That implies that point G CANNOT be on the line BE.
If G were on the line BE then angle BGC (which is given as 82deg13min46sec) should equal angle GCD (which is indicated as 90degrees).
It really looks as if this is a "flawed" question.
That is, you are given invalid information for the purpose of understanding how you handle errors.
What data will you use and what information will you ignore?