Blocks of land

This task is about calculating the area of a block of land, and the width given the area.

The diagram below is part of a street map. (The streets run parallel to each other).
Area A is all the land between Nile Rd, Beach St, Knox St and Mercer St. Area C is the next block of land.

a) What is the area, in square metres, of area A in the diagram above? __________ m2
 
b) What is the area, in hectares, of area A? (1 ha = 10 000 m2) __________ hectares
 
c) Complete the general formula: Area = __________ × __________
 
d) What is the width, in metres, of area C in the diagram above? __________ m