Question

solve this please please​

Answer 1

Answer:

AB || DE

So angle BAD = angle RDE

angle RDE = 60°

So now by angle sum property of triangle DRE

angle DRE + angle RDE + angle DER = 360°

angle DRE + 60° + 55° = 360°

angle DRE = 360° - 115°

angle DRE = 245°