You have bought sweets in a cuboidal box. Open the box and make a net.

A candle is in the shape of a _____.

Verify Euler's formula for the solid.

Verify Euler's formula for the solid.

Verify Euler's formula for the solid.

A place where two adjacent surfaces of a solid meets is called a/an 

An arrangement of plane figures connected at there edges lying in the same plane which can be folded to make a $3$-dimensional solid is called a/an