Answer:
See attachment for drawing
Explanation:
Given
See attachment for sketch of plan
Required
Draw a scaled plan
From the question, the garden has the following dimensions.
5.5m, 5.5m, 4m and 2.5m
Using a scale of 1m : 50 cm units, the above measurements will be represented as:



From the question, we understand that there will be 50cm space between the greenhouse and the edge.
On the scale drawing, this will be represented as:

From the question, the green house has the following dimensions.
2m, 2.5m
On the scale drawing, this will be represented as:


See attachment 2 for scale drawing