(a(i))[2]
Work out the height, $h$, of the cylinder.
(a(ii))[3]
Work out the radius, $r$, of the hemisphere.
(a(iii))[3]
Work out the surface area of the cube.
(b(i))[2]
Calculate the area of the triangle.
(b(ii))[5]
Calculate the perimeter of the triangle and show that it is 23.5 cm, correct to 1 decimal place. Show all your working.
(c)[3]
Calculate the value of $c$.