Answer:
1
Step-by-step explanation:

just substitute -2 for x
B, 224in2
It may get tedious but just find the area of each face and write them down
Answer: 
Step-by-step explanation:
Given
Cost of white-washing =Rs. 4989.60
Rate =20 per meter square
So, inside area of = 
The surface area of dome= 

The volume of air in the dome 
