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Can anyone help me with this prblm ......que. no. 14 |
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Answer» HEY!!! Assume a common centre O is the two concentric circles. Draw OL perpendicular to AD => OL bisects AD and BC(theorem). => AL = LD---------(1) and => BL = LC---------(2) SUBTRACT (2) from (1). => AL - BL = LD - LC => AB = CD HENCE PROVED Hope this helps you |
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