Question

If m angle B=m angle D=41, find m angle C so that quadrilateral ABCD is a parallelogram

Answer 1

ABCD is a parallelogram =>

∡A = ∡C

∡B = ∡D

∡A + ∡B = 180°  } => ∡A = 180° - 41° = 139°

∡B = 41°

∡A = ∡C = 139°

∡B = ∡D = 41°