sum of 2 opposite angle in quadilateral is 180 when points lie on circle
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Yes! This is because the shape is a cyclic quadrilateral!
All of the four points must be touching the circumference though!
This website has a really well explained proof:
http://www.timdevereux.co.uk/maths/geompages/proof4.php
All of the four points must be touching the circumference though!
This website has a really well explained proof:
http://www.timdevereux.co.uk/maths/geompages/proof4.php
itachi41:
hi
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yes.................. because it becomes a cyclic quardilateral
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