There is no specific name for such a shape.
A shape with three linear sides and one curved side can be drawn, but such a shape has no specific name.
hectagon
Decagon
A decagon.
A decagon
10 side shape i think
A 10-sided shape is a decagon.
A 7 sided shape is a heptagon
pentadecahedron
Decagon
dodecagon
An octagon.
Isasakaitateragon
pentagon
hexagon
heptagon