Answer:The fact that they look identical to straight lines allows for them to be put to many of the same uses as a straight angle. A straight angle is exactly 180 degrees and is composed of exactly one line with no changes in vector. Any line through it will form four angles (two on either side of the straight angle

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Answer:The fact that they look identical to straight lines allows for them to be put to many of the same uses as a straight angle. A straight angle is exactly 180 degrees and is composed of exactly one line with no changes in vector. Any line through it will form four angles (two on either side of the straight angle

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