10th Grade Exam From 1964 – Find All Angles!

Описание: 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!

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