OPPOSITE ANGLES OF A CYCLIC QUADRILATERAL

TASK 1
Draw a circle of any radius with centre O.
TASK 2
Mark any four points A, B, C and D on the boundary of the circle
TASK 3
MEASURE THE ANGLE [math]\angle[/math]A
TASK 4
MEASURE THE ANGLE [math]\angle[/math]B
TASK 5
MEASURE THE ANGLE [math]\angle[/math]C
TASK 6
MEASURE THE ANGLE [math]\angle[/math]D
TASK 7
SUM OF THE ANGLES [math]\angle[/math]A+[math]\angle[/math]C
TASK 8
SUM OF THE ANGLES [math]\angle[/math]B+[math]\angle[/math]D
TASK 9
SUM OF THE OPPOSITE ANGLES IS ALWAYS
TASK 10
OPPOSITE ANGLES OF A CYCLIC QUADRILATERAL IS
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– senthil selvan, GeoGebra Team

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