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:

Answer:
-31+12s
Step-by-step explanation:
Answer:
21n - 24
Step-by-step explanation:
Answer:
CI = 3.931 < μ < 8.069
Step-by-step explanation:
Hello !
Answer:
1 ten and 5 ones
Step-by-step explanation: