10th Grade Exam From 1964 – Find All Angles!

In this math video I (Susanne) explain how to solve a 10th grade final exam problem from 1964! We use the Law of Cosines and the Law of Sines to find all the angles in a triangle when all three sides are given. Follow along step by step as we break down the problem and show exactly how to calculate each angle. Mathematics explained. 00:00 Intro – Geometry Challenge 0:34 How to solve this 3:26 Law of Cosines 9:55 Law of Sines 14:07 See you later! My German Math Channel: ​⁠ ‪@MathemaTrick‬ Find me on Instagram:   / mathema_trick   Buy Me a Cup of Hot Chocolate? ☕🍫 Creating these math tutorials takes a lot of brainpower and a warm cup of hot chocolate always helps! If you'd like to support my work and keep the tutorials coming, consider treating me to a virtual cup. 👉 https://paypal.me/TheMathQueen Thank you so much for your kindness! It means the world to me! #exam #maths #mathematics