How many corners does a a 3D cone have?

Is there a corner to the universe? 176 cm to feet and inches? What are positive and negative numbers called? What is equivalent to 28 19100? What perfect square is greater than 110? What is the outcome of subacute sclerosing panencephalitis? What is the least common multiple of 8 20 and 70? What decimal part of a week is 15 hours? What am i when you add 29 to me and then subtract 13 from the answer you get 48? How yo write 310763136 un Word form? What is 89 rounded to the nearest hundred? Angles in a square are congruent? What is 405 divided by 25? What is 48 divided by 456 equal? How many kilometers are in 11 millimeters? What are the Common multiples of 30 and 50? How many days are in 12 hours? How do you pass the seventh grade? How many times can nine go into twenty-two? How do you know if figures are significant or not?