Question

Please tell the answer to the above question ​

Answer 1

Answer:

since AB parallel DC

and AB perpendicular to BD

so, angleABD=90°

given angle ABD = 60°

therefore angle EBD=90°-60°=30°

similarly, angle EDC=30°

we know that, angle of∆ is 180°

so,angleBED=180°-30°-30°=120°