Cannot perform calculation. Your 3 side lengths () are invalid. Side Lengths of a do not adhere to the triangle inequality theorem. Which states that the sum of the side lengths of any 2 sides of a triangle must exceed the length of the third side.
File photo / NZ Herald. The cost of postage is set to rise in July, New Zealand Post says. The standard letter rate, which is the cost of sending a medium-sized letter by standard post in New Zealand, is set to increase from 70 cents to 80 cents.Sending larger letters would also cost more, increasing from $1.40 to $1.60.epending on the size of the parcel and whether it was self-wrapped or in a New Zealand Post postage bag, people would be paying between 10 cents and $1 more. Meanwhile, premium letter services, which is Fast Post and Box Link, would not change in cost, New Zealand Post said.
It costs $1.19 to send a letter, or card to Australia. I checked with Pixingo's customer service, and they said as of March 18, 2016 that is the cost to mail a standard getting card. Pixingo gives you an account for free to send a card. They don't ask for a debit or credit card, and that takes any guess work out of how much postage is!