How many lines of symmetry does a regular polygon with x sides have

There are actually 2 variations in this case.

> First case: the number of sides is an odd number

                The number of lines of symmetry is simply equal to number of sides

> Second case: the number of sides is an even number

                The number of lines of symmetry is equal to twice the number of sides

7

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.