Math, asked by harshnath62879, 4 months ago

please answer fast ​

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Answered by danishjibran
1
angA = angD ———-> (1)

(angles made by same arc and in same segment)

Now

angD + angB = 90 ———->(2)
(exterior angle property)

===> angA + angB = 90
(From (1) )
Hence proved
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