Two triangles are congruent if their corresponding sides are equal in length, in which case their corresponding angles are equal in measure.
do congruent triangles have to be the same size?
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Answer: yes

Although colloquially Delhi and New Delhi are used interchangeably to refer to the National Capital Territory of Delhi (NCT), these are two distinct entities, with New Delhi forming a small part of Delhi. The National Capital Region is a much larger entity comprising the entire NCT along with adjoining districts in neighboring states. New Delhi has been selected as one of the hundred Indian cities to be developed as a smart city under Prime Minister of India Narendra Modi's flagship Smart Cities Mission.
is delhi and new delhi the same thing?
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Answer: no

The Battle of Thermopylae has remained a cultural icon of western civilization ever since it was fought. The battle is revisited in countless adages and works of popular culture, such as in films (e.g., The 300 Spartans (1962) and 300 (2007), based on the events during and close to the time of the battle), in literature, in song, in television programs, and in video games. The battle is also discussed in many articles and books on the theory and practice of warfare.
is the movie 300 based on a real story?
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Answer:
yes