EX. 10.2 Q. 8 A quadrilateral abcd is drawn to circumscribe a circle. prove that ab+cd=ad+bc.

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EX. 10.2 Q. 8 A quadrilateral abcd is drawn to circumscribe a circle. prove that ab+cd=ad+bc.
CLASS 10
CBSE BOARD
NCERT
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Sir video sound is very low
Darkness bhi hai white board per

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