A Pentagon
A pentagon
5
The perimeter is a characteristic of a 2-dimensional object. A 12 by 13 by 5 sounds like a 3-dimensional object which would not have a perimeter.
5
A 5-sided 2-dimensional figure is a pentagon and a 5-sided 3-dimensional shape is a pentahedron.
A Pentagon
A pentagon
a pyramid
A pyramid
5
A 5 sided shape with 5 angles is a pentagon
The perimeter is a characteristic of a 2-dimensional object. A 12 by 13 by 5 sounds like a 3-dimensional object which would not have a perimeter.
A pyramid
5
the distance around a two-dimensional shape the distance around a two-dimensional shape the distance around a two-dimensional shapePerimeter means the distance around a geometric figure. example of a square............ P=Sa+Sb+Sc+Sd ex. P= 5+5+5+5= P= 10+10= P= 20s
A rectangular pyramid