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Brief explanation of several exercises to find the interior angles of a quadrilateral when we know one or two of its interior angles. Within the quadrilaterals course. Complete Quadrilaterals Course: • Quadrilaterals (FULL Course) _________________________________________________________________ If you want to help me so that the channel continues to grow you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: paypal.me/profeAlex Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Visit my website: www.matematicasprofealex.com Follow me on my social networks: Facebook: / matematicasprofealex Instagram: / matematicasprofealex Contact Only business, press: [email protected] 0:00 Greeting 0:15 Introduction 0:35 How to remember how much the interior angles add up to 1:24 Solution to example 3:22 Solution to example 2 5:15 Practice exercise