What shape has 1 circular base and 1 curved surface?

What number is it has 90 as a factor thre number is prime 21 is the multiple of the number? Why is phythagoras famous? What is function of linton? What shape does the isosahedron have? What is special about the 5- and 6-coordinate geometries? Is it true if a distribution is negatively skewed if the right tail is longer than the left? How many values can a variable have? What are the antrometic measurement? How do you solve 4X squared plus 8X minus 20 equals 0? How do you spell feet in french? What is 6.314 rounded to the nearest tenth? What would be your grade if you missed 17 out of 56? What do the digits in a VIN mean? What perfect squares end in 6? Is 899 a prime number or not? What is 20 percent off of 29.95? What is Roman Numeral DXXXVIII? What is 120 Celsius in Fahrenheit? How do you round 2.874 to one decimal place? Is it normal for people who are good at math to be naturally be bad at writing forever?