Hope you have done Pythagoras in your maths classes. If not you might want to google it first and learn how it works. We teach ICT and CS here so no maths for you today. Anyway it's A2 + B2 = Cand all about right angled triangles.

task 1 problem

task 1 solution

task 2 problem

task 2 solution

task 3 problem

task 3 solution

task 4 problem

task 4 solution

task 5 problem

task 5 solution

task 6 problem

task 6 solution