It is a three-dimensional figure with circular base connected by a curved surface.

ANSWER:
A. Cone
EXPLANATION:
cone is a three-dimensional solid that has a circular base joined to a single point (called the vertex) by a curved side.
HOPE IT HELPS pabrainliest po
[tex]_______________________________[/tex]
[tex]\huge\red{A}\pink{N}\orange{S}\green{W}\blue{E}\gray{R}[/tex]