Code of program:
import math
print("calculate ring area")
R=input("R=")
R=float(R)
r=input("r=")
r=float(r)
area=math.pi*((R**2)-(r**2))
print("area=")
print(area)
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This crossbar need to fix in ground verticaly with elongated сolumns. Material of construction is mild steel. -
Technically, mechanical engineering is the application of the principles and problem-solving techniques of engineering from design to manufa...
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