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.
Best Answer: Go to the post office and fill out the card for delivery confirmation. I'm pretty sure that's only available for mail of higher classes than first class though, like certified mail. It costs around $6.est Answer: Go to the post office and fill out the card for delivery confirmation. I'm pretty sure that's only available for mail of higher classes than first class though, like certified mail. It costs around $6.