Answer:
1. the area is 1800 cm. i found the area by multiplying 36cm and 50 cm.
2. adam can use the space factor to find the area of the actual electronics board by multiplying 36 by 0.2 and getting a total of 7.2 after that he can multiply 50 by 0.2 and get a total of 10 after doing that adam will multiply 7.2 by 10 and get the sum of 72 as the area.
36 x 0.2 = 7.2
50 x 0.2 = 10
7.2 x 10 = 72
3. the actual area is 72.