Question

Please answer this question

Answer 1

Answer:

700 square meters is Hidden Area in courtyard

Step-by-step explanation:

attached is Photo of Hand worked Solution.

method

1. total courtyard is 20x55= 1100

2. Since entrances are sqaures we get 45 degree view. such 4 triangles contribute 200 square meter Are Visible

3. Direct pathway rectangle is visible = 20x10=200

1060-200-200 =700 sq mtr.