Concepts and measurement: Geometric concepts-Angles

The video tutorial explains the concept of complementary angles, which are two angles that add up to 90 degrees. It introduces angle PQS as a right angle and discusses how angles PQR and RQS are complementary. The tutorial provides an example where angle PQR is 30 degrees, and demonstrates how to calculate angle RQS as 60 degrees without using a protractor, by subtracting from 90 degrees.

What is the sum of the measures of angles PQR and RQS?

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How do you calculate the measure of angle RQS given angle PQR?

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