Math, asked by rutu18, 1 year ago

plz explain this sum

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Answered by InsaneJaat
0
angle ADB=70°
angle BAC=30°
Also,ABCD is a cyclic quadrilateral
So,angle ADC+angle ABC= 180°(opposite angles of a cyclic quadrilateral are supplementary)
So,angle ABC+ 70° = 180°
angle ABC=180°-70°
=110°

THANKS!

InsaneJaat: please mark the answer as brainliest if you like it
rutu18: sry but is 80 not 110
InsaneJaat: okk thanks
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