Question

in the given figure angle AOD : angle DOB=13:5.what is angle COB?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

the ratio of angle are 13:5

let angle AOD=1 3x

let angle DOB=5x

13x+5x=180_______(linear pairs angle measures 180)

18x=180

x=180/18

x=10

angle AOD=13×10

=130

angleDOB=5×10

=50