Answer:
60.75
Step-by-step explanation:
Answer:
Step-by-step explanation:
(2x+4)° + 42° = 180°
x = 67°
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 

Answer: I’m not really sure what the correct answer is if you could help that would be great so let me know
Step-by-step explanation: