Respuesta :
A block that has 1 flat surface and 1 curved surface can most probably be said to be a Cone.
How does a cone look?
A cone has a curved cup that extends from its circular base to its tip. The curved base at the bottom is flat.
This means that a cone has a flat surface at the base and a curved surface at its cup.
In conclusion, this is a cone.
Find out more on cones at https://brainly.com/question/1082469.