Question

please give my answer step by step who knows they only give my answer​

Answer 1

Answer:

<ABC=60°

<CDE=120°

Step-by-step explanation:

< stands for angle

<AHC=180°-<CHE (supplementary angles)

<AHC=180-120

=60°

<ABC=<AHC=60°(in a parallelogram,opposite angles are equal)

<CDE=<CHE=120°(in a parallelogram,opposite angles are equal)