A couple of errors in that statement:

It should say

325 V PEAK = 230 V RMS

Similarly the statement:

Should say

VAC peak /square root of 2 = VAC RMS

Peak to peak is twice the value of peak.

All this applies to a sine wave.

If the waveform is not a sinewave, all bets are off.

JImB

It should say

325 V PEAK = 230 V RMS

Similarly the statement:

Should say

VAC peak /square root of 2 = VAC RMS

Peak to peak is twice the value of peak.

All this applies to a sine wave.

If the waveform is not a sinewave, all bets are off.

JImB