Please help me to answer these questions:

(a) When the angel of elevation of the sun is 62 degrees, the shadow cast by a vertical pole is 10m long. Find the height of the pole correct to one decimal place.

make a sketch ... use the tangent ratio
(b) If a=8, c=5 and A=72 degrees, find the size of the angle C?

make a sketch ... use the law of sines
(c) A ladder is 7m long and reaches 5m up a vertical wall. Find the angle between the ladder and the horizontal.

make a sketch ... use the sine ratio.
(d) Find the area of the triangle shown in the diagram:

if 8 is the base of the triangle, then the height of the triangle is 6sin(52)