(a) Describe, with the aid of a suitable diagram, an open traverse (b) A compass traverse round a school compound produced the following field record: Line ...

(a) Describe, with the aid of a suitable diagram, an open traverse

(b) A compass traverse round a school compound produced the following field record: 

Use the data above to:
(i) plot the area of the compound on a scale of 1cm to 50m
(ii) find the direct distance between D and A, in metres.