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We will show that an angle inscribed a semi-circle=90 degrees.

Previous video in this series on YouTube: https://youtu.be/dDksf1c0VpY
Title search of video on other plateforms: Geometry - Ch. 6: Circles (25 of 39) Angle Measurement: Examples Set 2

Next video in this series on YouTube: https://youtu.be/L7rqAyGU6Dk
Title search of video on other plateforms: Geometry - Ch. 6: Circles (27 of 39) Common Arc Length