Answer:
Smaller is 18 and larger be 30
Step-by-step explanation:
Answer:
-11/7
Step-by-step explanation:
The length side of AD is 4 units
Answer:
see the explanation
Step-by-step explanation:
we know that
The circumference of a circle is equal to

where
D is the diameter
In this problem we have


substitute and solve for D



we know that
The length of the row of quarters is equal to multiply the diameter of the quarter by the number of quarters in the row
so
For 4 quarters in the row, the length is equal to --> 
For 6 quarters in the row, the length is equal to --> 
For 12 quarters in the row, the length is equal to -> 
There are 850 workers in the smallest building, 1350 workers in the second-largest building, and 1700 workers in the largest building.