Question

Hi, Please answer this question

Answer 1

Since,AC||BD
so,
=>using co-interior property of parallel line
we can find angle ABD

according to the rule,

angleBAC+angleABD=180

let angleABD be x

so,

78°+x°=180°

x=180°-78°

x=102°

so, option B is correct!!

Answer 2

Answer:

The size of angle ABD = x = 102°

Hope this helps mate