# Thread: [SOLVED] Triangulation help needed

1. ## [SOLVED] Triangulation help needed

I need to calculated the height at intermediate grid co-ordinates where I have 3 sets of enclosing co-ordinates and heights.

Formula or UDF solutions welcome!

I've posted this also at my usual forum VBAEXPRESS.COM, but I think I need a bit more Maths help, rather than coding.

2. Solution posted here