(a)[3]
Calculate the greatest possible perimeter of the rectangle.
(b(i))[2]
Calculate the height, $h$, of the parallelogram.
(b(ii))[2]
Explain why triangle $CDF$ is isosceles.
(b(iii))[3]
Calculate the area of the trapezium $ABCF$.
(c)[5]
Calculate the area of the circle.
(d)[3]
Calculate the value of $x$.