A semicircle is one possible answer.
Triangular prism
Half a sphere is a hemisphere or the shape of a ball cut in half.
triangle
quarter Moon if its half of a sphere then its half moon
A hemisphere which is half of a sphere
hemisphere
The eye shape you are referring to is called almond-shaped eyes.
Triangular prism
20 if there in half/half shape 25 if in good shape 30 if in great shape
The shape is a crecent a half moon shape.
Yes. Star fruit are real. They get there name from the star shape that they create when cut in half.
the shape of an outfield in baseball is a half diamond.
the Washington Monument
The name of a half moon shaped key is typically called a "warded key", as it is designed to fit into a corresponding lock with ward cuts that align with the key's shape.
Half a sphere is a hemisphere or the shape of a ball cut in half.
triangle
No. Half is a number; triangle is a two dimensional shape.