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The angle at the circumference in a semicircle is a right angle.
Circle - Angle at centre is twice the angle at the circumference
GraphicMaths - Angle in a semicircle is 90 degrees
Angle in a semi-circle – GeoGebra
Why does the angle in a semi circle is 90 degrees? - Quora
GraphicMaths - Two tangents from a point have equal length
Why does the angle in a semi circle is 90 degrees? - Quora
Angle in a Semi Circle Proof
Angle in a Semicircle is 90 degree #mathematics #circle #geometry #cbse #icse #maths
Circle Theorem - Angles in a Semi Circle contain a 90-Degree Angle #maths #circletheorem #cxcmaths
Circle Theorem: Angle in a Semicircle Is 90° (Key Stage 3)
Circle Theorem: Angle in a Semicircle Is 90° (Key Stage 3)