def lateralsurface_cone(r,h):
  import math
  
  l = math.sqrt(r * r + h * h)
  LSA = math.pi * r  * l
  return LSA
def similar_elements(test_tup1, test_tup2):
  
  res = tuple(set(test_tup1) & set(test_tup2))
  return (res) 