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Lines AB and CD intersect at …

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Lines AB and CD intersect at O .if angle AOC +ANGLE BOE=70° AND ANGLE BOD =40° ,FIND ANGLE BOE AND REFLEX OF ANGLE COE

Posted by Vaibhav Singh 3 years, 7 months ago

CBSE > Class 09 > Mathematics

4 answers

Niharika Sumant (Jiya) 3 years, 7 months ago

Sorry but is wrote full answer but it shows only (Given,)

Niharika Sumant (Jiya) 3 years, 7 months ago

Given, <AOC+ <BOE= 70° <BOD= 40° <AOC=<BOD=40°(Vertically Opposite Angles) <AOC+<BOE=70° 40°+ <BOE= 70° <BOE=70°-40° <BOE=30° <AOC+<BOE+<COE=180°(Angles on same line) 40° + 30° +<COE=180° 70° +<COE=180° <COE= 180°- 70° <COE= 110° Now, reflex <COE <COE + reflex<COE =360° 110°- reflex<COE= 360° Reflex<COE= 360°- 110° Reflex<COE=250° . THANKS,

Aditi Kumari 3 years, 7 months ago

AOB is a straight line angle AOC +angle COE+angle EOB =180° 70°+angle COE=180° angle COE =180°-70° Angle COE=110° angle COE + angle EOB +angle BOD 110°+40°+angle EOB =180° angle EOB=30°

A N 3 years, 7 months ago

Reflex ANGLE COE = 250° ANGLE BOE = 30° ( NCERT Ch. 6- first exercise -1st question. ; you can find ans. In your book)

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