Question: a geometry ruler can be constructed by using what tools
[{'answer': 'idealized ruler', 'provenance': [{'wikipedia_id': '61229', 'title': 'Straightedge and compass construction', 'start_paragraph_id': 1, 'start_character': 193, 'end_paragraph_id': 1, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'compass', 'provenance': [{'wikipedia_id': '61229', 'title': 'Straightedge and compass construction', 'start_paragraph_id': 0, 'start_character': 17, 'end_paragraph_id': 0, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '61229', 'title': 'Straightedge and compass construction', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 220, 'bleu_score': 0.8627261994244231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5683389397143141404}, 'section': 'Section::::Abstract.'}]}]