88.21 fram is the anserer
Answer: 50 cubic in .
Step-by-step explanation: 10x2= 20 and then 20x2.5=50
Answer:

Step-by-step explanation:
Let the length of the rectangular part =l
The width will be equal to the diameter of the semicircles.
Area of the Skating Rink= 
Therefore:

Perimeter of the Shape =Perimeter of two Semicircles + 2l

The perimeter of the rink is given as:
