Q9 Solutions for Leaving Cert Ordinary Paper 1 2020

Correction: d) part ii) is wrong, it asked for the total triangles in the first 15 patterns not the triangles in the 15'th pattern. There are 225 triangle in the first 15 patterns. So it should be 225 X 4 X root(3) = 1558.85 Patterns Image of the question can be found here https://imgur.com/gallery/0aj7pZc For more questions go to my playlist    • Leaving cert Ordinary level 2020 paper 1   Online graphing calculator https://www.desmos.com/calculator Social media links Twitter   / 2ndmaths   Instagram   / kilmarta   If you like the sound of my voice so much you want more (weirdo) check out my gaming channel    / @5boringgames   #math #maths #LeavingCert