Question

3/3 last medal for now:

http://gyazo.com/6c705fb796327b1eebf91a0cee642d3b

Answer 1

@butterflydreamer

Answer 2

@Directrix

Answer 3

area of triangle WNB is 62.35 - see http://www.triangle-calculator.com/?what=sas&a=12&a1=120&b=12&submit=Solve

area of circle segment with angle 240° is 301.59 ft^2

so total unshaded area is 363.94 ft^2

Answer 4

Ah, thank you .

Answer 5

\[required~ area=\pi r^2\times \frac{ 240 }{ 360 }+area of \triangle=?\]