Answer is
dm².
In order to calculate the area of the board that can be seen, we need to calculate the area of the the rectangular board and the circular frame. The difference of both's area is the required answer.
Refer to the attachment for step by step solution. :)
Donell practiced 7 hours and Marcus practiced 4
Answer:
8, 10Step-by-step explanation:
The 41th term would be 96.